A large subphylum of mostly marine ARTHROPODS containing over 42,000 species. They include familiar arthropods such as lobsters (NEPHROPIDAE), crabs (BRACHYURA), shrimp (PENAEIDAE), and barnacles (THORACICA).
One of the largest orders of mostly marine CRUSTACEA, containing over 10,000 species. Like AMPHIPODA, the other large order in the superorder Peracarida, members are shrimp-like in appearance, have sessile compound eyes, and no carapace. But unlike Amphipoda, they possess abdominal pleopods (modified as gills) and their bodies are dorsoventrally flattened.
The largest order of CRUSTACEA, comprising over 10,000 species. They are characterized by three pairs of thoracic appendages modified as maxillipeds, and five pairs of thoracic legs. The order includes the familiar shrimps, crayfish (ASTACOIDEA), true crabs (BRACHYURA), and lobsters (NEPHROPIDAE and PALINURIDAE), among others.
An infraorder of CRUSTACEA, in the order DECAPODA comprising the hermit crabs and characterized by a small fifth pair of legs.
An order of mostly marine CRUSTACEA containing more than 5500 species in over 100 families. Like ISOPODA, the other large order in the superorder Peracarida, members are shrimp-like in appearance, have sessile compound eyes, and no carapace. But unlike Isopoda, they possess thoracic gills and their bodies are laterally compressed.
A diverse genus of minute freshwater CRUSTACEA, of the suborder CLADOCERA. They are a major food source for both young and adult freshwater fish.
A suborder of CRUSTACEA, order Diplostraca, comprising the water fleas. They are benthic filter feeders that consume PHYTOPLANKTON. The body is laterally compressed and enclosed in a bivalved carapace, from which the head extends.
Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class INSECTS and the subclass ARACHNIDA, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man.
Infestations by PARASITES which live on, or burrow into, the surface of their host's EPIDERMIS. Most ectoparasites are ARTHROPODS.
An infraorder of chiefly marine, largely carnivorous CRUSTACEA, in the order DECAPODA, including the genera Cancer, Uca, and Callinectes.
A primitive form of digestive gland found in marine ARTHROPODS, that contains cells similar to those found in the mammalian liver (HEPATOCYTES), and the PANCREAS.
A family of CRUSTACEA, order DECAPODA, comprising the palaemonid shrimp. Genera include Macrobrachium, Palaemon, and Palaemonetes. Palaemonidae osmoregulate by means of gills.
A huge subclass of mostly marine CRUSTACEA, containing over 14,000 species. The 10 orders comprise both planktonic and benthic organisms, and include both free-living and parasitic forms. Planktonic copepods form the principle link between PHYTOPLANKTON and the higher trophic levels of the marine food chains.
Infections or infestations with parasitic organisms. The infestation may be experimental or veterinary.
A family of CRUSTACEA, order DECAPODA, comprising the penaeid shrimp. Species of the genus Penaeus are the most important commercial shrimp throughout the world.
*Medically unexceptional, the Mediterranean Sea is an intercontinental body of water that separates Southern Europe from Northern Africa and the Middle East, infamous for historical epidemics like plague, which have significantly shaped human health history.*
The relationships of groups of organisms as reflected by their genetic makeup.
The blood/lymphlike nutrient fluid of some invertebrates.
Family of large marine CRUSTACEA, in the order DECAPODA. These are called clawed lobsters because they bear pincers on the first three pairs of legs. The American lobster and Cape lobster in the genus Homarus are commonly used for food.
Genes that are located on the MITOCHONDRIAL DNA. Mitochondrial inheritance is often referred to as maternal inheritance but should be differentiated from maternal inheritance that is transmitted chromosomally.
A superfamily of various freshwater CRUSTACEA, in the infraorder Astacidea, comprising the crayfish. Common genera include Astacus and Procambarus. Crayfish resemble lobsters, but are usually much smaller.
The continuous sequence of changes undergone by living organisms during the post-embryonic developmental process, such as metamorphosis in insects and amphibians. This includes the developmental stages of apicomplexans such as the malarial parasite, PLASMODIUM FALCIPARUM.
Proteins synthesized by organisms belonging to the phylum ARTHROPODA. Included in this heading are proteins from the subdivisions ARACHNIDA; CRUSTACEA; and HORSESHOE CRABS. Note that a separate heading for INSECT PROTEINS is listed under this heading.
Cultivation of natural faunal resources of water. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Diseases of freshwater, marine, hatchery or aquarium fish. This term includes diseases of both teleosts (true fish) and elasmobranchs (sharks, rays and skates).
Large natural streams of FRESH WATER formed by converging tributaries and which empty into a body of water (lake or ocean).
Number of individuals in a population relative to space.
Paired respiratory organs of fishes and some amphibians that are analogous to lungs. They are richly supplied with blood vessels by which oxygen and carbon dioxide are exchanged directly with the environment.
The number of males per 100 females.
The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
The farthest or outermost projections of the body, such as the HAND and FOOT.
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
Water containing no significant amounts of salts, such as water from RIVERS and LAKES.
Remains, impressions, or traces of animals or plants of past geological times which have been preserved in the earth's crust.
Double-stranded DNA of MITOCHONDRIA. In eukaryotes, the mitochondrial GENOME is circular and codes for ribosomal RNAs, transfer RNAs, and about 10 proteins.
I'm sorry for any confusion, but "Brazil" is not a medical term or concept, it is a country located in South America, known officially as the Federative Republic of Brazil. If you have any questions related to health, medicine, or science, I'd be happy to help answer those!
The relationship between an invertebrate and another organism (the host), one of which lives at the expense of the other. Traditionally excluded from definition of parasites are pathogenic BACTERIA; FUNGI; VIRUSES; and PLANTS; though they may live parasitically.
The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
The variety of all native living organisms and their various forms and interrelationships.
The pattern of any process, or the interrelationship of phenomena, which affects growth or change within a population.
The process of cumulative change at the level of DNA; RNA; and PROTEINS, over successive generations.
The total process by which organisms produce offspring. (Stedman, 25th ed)
The salinated water of OCEANS AND SEAS that provides habitat for marine organisms.
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A mature haploid female germ cell extruded from the OVARY at OVULATION.
The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light.
Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.

Polymorphism in a cyclic parthenogenetic species: Simocephalus serrulatus. (1/744)

A survey of sixteen isozyme loci using electrophoretic techniques was conducted for three isolated natural populations and one laboratory population of the cyclic parthenogenetic species, Simocephalus serrulatus. The proportion of polymorphic loci (33%-60%) and the average number of heterozygous loci per individual (6%-23%) in the three natural populations were found to be comparable to those found in most sexually reproducing organisms. Detailed analyses were made for one of these populations using five polymorphic loci. The results indicated that (1) seasonal changes in genotypic frequencies took place, (2) apomicitic parthenogenesis does not lead to genetic homogeneity, and (3) marked gametic disequilibrium at these five loci was present in the population, indicating that selection acted on coadapted groups of genes.  (+info)

Novel regulation of the homeotic gene Scr associated with a crustacean leg-to-maxilliped appendage transformation. (2/744)

Homeotic genes are known to be involved in patterning morphological structures along the antero-posterior axis of insects and vertebrates. Because of their important roles in development, changes in the function and expression patterns of homeotic genes may have played a major role in the evolution of different body plans. For example, it has been proposed that during the evolution of several crustacean lineages, changes in the expression patterns of the homeotic genes Ultrabithorax and abdominal-A have played a role in transformation of the anterior thoracic appendages into mouthparts termed maxillipeds. This homeotic-like transformation is recapitulated at the late stages of the direct embryonic development of the crustacean Porcellio scaber (Oniscidea, Isopoda). Interestingly, this morphological change is associated with apparent novelties both in the transcriptional and post-transcriptional regulation of the Porcellio scaber ortholog of the Drosophila homeotic gene, Sex combs reduced (Scr). Specifically, we find that Scr mRNA is present in the second maxillary segment and the first pair of thoracic legs (T1) in early embryos, whereas protein accumulates only in the second maxillae. In later stages, however, high levels of SCR appear in the T1 legs, which correlates temporally with the transformation of these appendages into maxillipeds. Our observations provide further insight into the process of the homeotic leg-to-maxilliped transformation in the evolution of crustaceans and suggest a novel regulatory mechanism for this process in this group of arthropods.  (+info)

Changes in physiological parameters and feeding behaviour of Atlantic salmon Salmo salar infected with sea lice Lepeophtheirus salmonis. (3/744)

Atlantic salmon Salmo salar L. artificially infected with salmon lice Lepeophtheirus salmonis (Kroyer 1837) recovered from detrimental physiological changes and skin damage induced by preadult lice as the parasites matured. Growth rates of Atlantic salmon remained unaffected by lice infection, but food consumption decreased with increasing feeding and movement of the lice prior to and post-mating, correlating with the appearance of head erosions and detrimental changes in physiological integrity. Food consumption of the fish increased as the lice moulted to the adult stage and gravid female lice settled in a posterior location on the fish, subsequently reducing the impact of infection and allowing recovery of the skin damage. However, the impact of preadults was limited, as the decrease in food consumption of fish at 21 d post-infection had no effect on either the specific growth rate or condition factor of the fish. Furthermore, the intensity of lice infections at each of the sample days was not correlated with food consumption, specific growth rate or any of the haematological or physiological parameters measured, either before or after infection, indicating that lice intensity was independent of social dominance/subordinance. This work has provided the first evidence that infected fish can recover from the detrimental changes caused by lice infection, even when they are still infected with lice. If fish can survive the preadult stage of lice, then the mortal impact of lice infections is greatly reduced.  (+info)

Extent of gill pathology in the toadfish Tetractenos hamiltoni caused by Naobranchia variabilis (Copepoda: Naobranchiidae). (4/744)

Sanguinivorous Naobranchia variabilis prefer the first gill arch, external hemibranch and anterior end of the gill arch. The smallest N. variabilis observed attached to fish by a thin filament which connects fused tips of second maxillae to a 'plug' inserted into the gill tissue. Second maxillae enlarge to encircle and increasingly compress the gill filament, which results in a thin layer of epithelium and connective tissue overlying the cartilaginous supporting bar. Early juveniles cause little tissue proliferation, but the extent of proliferated epithelial and connective tissue (PR) adjacent to the maxillae increases from late juveniles to subadult and adult copepods. Most variation in length of gill filament damage (PL, proliferated and compressed tissue) among age classes is explained by maxilla length (ML, length of compressed gill filament); adult trunk width (TRW) explains an extra, small amount of variation, but not trunk length (TRL) or total fish length (TL). Most variation in ML is explained by TRW of adults, subadults and late juveniles, and TRL of early juveniles. PR is explained by TRW for adults, but by ML for other ages. These patterns are due to elongation of the juvenile trunk during growth and lateral expansion of adult egg pouches during maturation. Up to 38 N. variabilis, average (avg.) = 9.3, infected individual Tetractenos hamiltoni and damaged up to 3.4% (avg. 0.72%) of total filament length and 8.6% (avg. 2.1%) of gill filaments per fish.  (+info)

Regional specification during embryogenesis in the inarticulate brachiopod Discinisca. (5/744)

The process of embryogenesis is described for the inarticulate brachiopod Discinisca strigata of the family Discinidae. A fate map has been constructed for the early embryo. The animal half of the egg forms the dorsal ectoderm of the apical and mantle lobes. The vegetal half forms mesoderm and endoderm and is the site of gastrulation; it also forms the ectoderm of the ventral regions of the apical and mantle lobes of the larva. The plane of the first cleavage goes through the animal-vegetal axis of the egg along the future plane of bilateral symmetry of the larva. The timing of regional specification in these embryos was examined by isolating animal, vegetal, or lateral regions at different times from the 2-cell stage through gastrulation. Animal halves isolated at the 8-cell and blastula stages formed an epithelial vesicle and did not gastrulate. When these halves were isolated from blastulae they formed the cell types typical of apical and mantle lobes. Vegetal halves isolated at all stages gastrulated and formed a more or less normal larva; the only defect these larvae had was the lack of an apical tuft, which normally forms from cells at the animal pole of the embryo. When lateral isolates were created at all developmental stages, these halves gastrulated. Cuts which separated presumptive anterior and posterior regions generated isolates at the 4-cell and blastula stages that formed essentially normal larvae; however, at the midgastrula stage these halves formed primarily anterior or posterior structures indicating that regional specification had taken place along the anterior-posterior axis. The plane of the first cleavage, which predicts the plane of bilateral symmetry, can be shifted by either changing the cleavage pattern that generates the bilateral 16-cell blastomere configuration or by isolating embryo halves prior to, or during, the 16-cell stage. These results indicate that while the plane of the first cleavage predicts the axis of bilateral symmetry, the axis is not established until the fourth cleavage. The development of Discinisca is compared to development in the inarticulate brachiopod Glottidia of the family Lingulidae and to Phoronis in the phylum Phoronida.  (+info)

Natural copepods are superior to enriched artemia nauplii as feed for halibut larvae (Hippoglossus hippoglossus) in terms of survival, pigmentation and retinal morphology: relation to dietary essential fatty acids. (6/744)

Replicate groups of halibut larvae were fed to d 71 post-first feeding (PFF) either the marine copepod, Eurytemora velox, or Artemia nauplii doubly enriched with the marine chromist or golden algae, Schizochytrium sp., (Algamac 2000) and a commercial oil emulsion (SuperSelco). The fatty acid compositions of eyes, brains and livers from larvae fed the two diets were measured, and indices of growth, eye migration and skin pigmentation were recorded along with histological examinations of eye and liver. The docosahexaenoic acid [22:6(n-3); DHA]/eicosapentaenoic acid [20:5(n-3); EPA] ratios in Artemia nauplii enriched with the SuperSelco and Algamac 2000 were 0.4 and 1.0, respectively. The E. velox copepods were divided into two size ranges (125-250 and 250-400 microm) with the smaller size range containing the highest level of (n-3) highly unsaturated fatty acids (HUFA). The DHA/EPA ratios for the two size ranges of copepods were 2.0 and 0.9, respectively. The total lipids of eyes, brains and livers of larvae fed copepods had higher levels of DHA and lower levels of EPA than those of larvae fed enriched Artemia. The percentage of survival of the halibut larvae was significantly higher when copepods rather than enriched Artemia nauplii were fed, but larval specific growth rates did not differ. The indices of eye migration were high and not significantly different in larvae fed the two diets, but the percentage of larvae undergoing successful metamorphosis (complete eye migration and dorsal pigmentation) was higher in larvae fed copepods (40%) than in larvae fed enriched Artemia (4%). The rod/cone ratios in histological sections of the retina were 2.5 +/- 0.7 in larvae fed copepods and 1.3 +/- 0.6 in larvae fed enriched Artemia (P < 0.01). Histological examination of the livers and intestines of the larvae were consistent with better assimilation of lipid from copepods than lipid from Artemia nauplii up to 46 d post-first feeding. Thus, marine copepods are superior to enriched Artemia as food for halibut larvae in terms of survival, eye development and pigmentation, and this superiority can be related to the level of DHA in the feed.  (+info)

Polymorphism and evolution of collagenolytic serine protease genes in crustaceans. (7/744)

Two genomic DNA fragments encoding crustacean collagenolytic serine protease genes show coding fragments that span 1522-1526 base pairs and contain seven exons encoding the complete amino acid sequence of two enzymes, CHYA and CHYB. As in serine protease genes from other organisms, the region coding for the residues around the active site is split by two introns. Although the introns differ from those of other organisms in size and nucleotide sequence, their number and location are more or less the same as found in mammalian chymotrypsin or elastase genes that evolved lately, but different for trypsin genes. Meanwhile, the junction that occurs between the propeptide and the maturation site is only found in the shrimp genes. This is also the case for the junction located 13 amino acids after the active site aspartic acid in these genes. Between 40 and 50 copies of the genes are reported by Southern analysis. Seven different genes within ChyA Pv family present 0-6% base changes, whereas five different genes belonging to ChyB Pv family show changes of up to 27% in the short studied portion of exon 4. This last family presents a mosaic organization of the coding parts, which are also expressed in the hepatopancreas of the shrimp as the variant PVC5 cDNA.  (+info)

The structure of a glycosylated protein hormone responsible for sex determination in the isopod, Armadillidium vulgare. (8/744)

Two glycoforms (AH1 and AH2) of androgenic hormone, and its corresponding hormone precursor derived from HPLC-purified androgenic gland extract from the woodlouse Armadillidium vulgare were fully characterized by microsequencing and mass spectrometry. The amino-acid sequences of the two glycoforms were identical; they consist of two peptide chains, A and B, of 29 and 44 amino acids, respectively, with chain A carrying one N-glycosylated moiety on Asn18. The two chains are linked by two disulfide bridges. Glycoforms were only differentiated by the size and heterogeneity of the glycan chain. The androgenic hormone precursor (16.5 kDa) was shown to contain the sequence of chains A and B from the androgenic hormone, connected by a C-peptide (50 amino acids). These results were confirmed by matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) analysis performed on a single hypertrophied androgenic gland. When injected into young females, both glycoforms of the androgenic hormone were able to override genetic sex-determination. In invertebrates, there is no other example where sex-differentiation is controlled by a protein hormone that is not synthesized by the gonads but by a special gland. A functional comparison with two other hormones which are believed to play a role in sex determination, i.e. ecdysone in insects and anti-Mullerian hormone in mammals, is presented. Work is in progress to clone and characterize the gene encoding androgenic hormone, moreover special attention is devoted to its regulatory regions, putative targets for the Wolbachia action.  (+info)

Crustacea is a subphylum of Arthropoda, which is a phylum that includes animals without backbones and with jointed appendages. Crustaceans are characterized by their segmented bodies, usually covered with a hard exoskeleton made of chitin, and paired, jointed limbs.

Examples of crustaceans include crabs, lobsters, shrimps, crayfish, krill, barnacles, and copepods. Many crustaceans are aquatic, living in both freshwater and marine environments, while some are terrestrial. They can vary greatly in size, from tiny planktonic organisms to large crabs and lobsters.

Crustaceans have a complex life cycle that typically involves several distinct stages, including larval and adult forms. They are an important part of many aquatic ecosystems, serving as both predators and prey. Crustaceans also have economic importance as a source of food for humans, with crabs, lobsters, and shrimps being among the most commonly consumed.

Isopoda is an order of crustaceans characterized by having a body that is usually laterally compressed, a pair of antennae, and seven pairs of legs (periopods) along the thorax. They are commonly known as "isopods" and include various familiar forms such as woodlice, pill bugs, and sea slaters. Isopods vary in size from less than a millimeter to over 50 centimeters in length. Some isopod species are terrestrial, while others are freshwater or marine dwellers. Medical relevance of isopods is limited, but some species can be vectors for diseases or parasites affecting fish and other aquatic animals.

Anomura is an order of crustaceans that includes hermit crabs, king crabs, and related species. These decapod crustaceans are characterized by the modification or absence of the last pair of pleopods (swimming legs) in the adult stage. The name "Anomura" comes from the Greek words "anomos," meaning unusual, and "oura," meaning tail.

Hermit crabs are known for their unique behavior of using empty gastropod shells as portable shelters, while king crabs have a distinctive broad and flattened appearance with a thick, spiny carapace. Anomurans can be found in various marine habitats worldwide, from shallow coastal waters to the deep sea. Some species are also adapted to freshwater or terrestrial environments.

Amphipoda is an order of crustaceans characterized by a laterally compressed body and a distinctive jointed swimming leg, making them well-adapted for swimming in open water. They are commonly known as "sand fleas" or "beach fleas," although they are not actually fleas. Amphipods can be found in various aquatic habitats, including marine, freshwater, and brackish environments. Some species live on the seafloor, while others are planktonic or associate with other organisms. They vary greatly in size, ranging from less than a millimeter to over 30 centimeters in length.

The medical definition of 'Amphipoda' is not typically used since amphipods do not have direct relevance to human health or medicine. However, they can serve as bioindicators of environmental quality and may be involved in the transmission of certain diseases between aquatic organisms.

'Daphnia' is not a medical term, but rather it refers to a group of small, planktonic crustaceans commonly known as water fleas. They are widely distributed in various freshwater environments and play an important role in the aquatic food chain as they serve as a food source for many larger animals such as fish.

While Daphnia may not have a direct medical definition, there has been some research into their potential use in biomedical applications due to their sensitivity to environmental changes. For instance, they have been used as indicators of water quality and toxicity levels in ecotoxicological studies. However, it is important to note that Daphnia itself is not a medical term or concept.

Cladocera is a order of small, freshwater crustaceans that are characterized by their compound eyes and leaf-like appendages. They are also known as water fleas due to their jumping motion in the water. Cladocerans are an important part of the aquatic food chain, serving as a food source for larger animals such as fish. They are often used as bioindicators of water quality due to their sensitivity to environmental changes.

Arthropods are a phylum of animals characterized by the presence of a segmented body, a pair of jointed appendages on each segment, and a tough exoskeleton made of chitin. This phylum includes insects, arachnids (spiders, scorpions, mites), crustaceans (crabs, lobsters, shrimp), and myriapods (centipedes, millipedes). They are the largest group of animals on Earth, making up more than 80% of all described species. Arthropods can be found in nearly every habitat, from the deep sea to mountaintops, and play important roles in ecosystems as decomposers, pollinators, and predators.

Ectoparasitic infestations refer to the invasion and multiplication of parasites, such as lice, fleas, ticks, or mites, on the outer surface of a host organism, typically causing irritation, itching, and other skin disorders. These parasites survive by feeding on the host's blood, skin cells, or other bodily substances, leading to various health issues if left untreated.

Ectoparasitic infestations can occur in humans as well as animals and may require medical intervention for proper diagnosis and treatment. Common symptoms include redness, rash, inflammation, and secondary bacterial or viral infections due to excessive scratching. Preventive measures such as personal hygiene, regular inspections, and avoiding contact with infested individuals or environments can help reduce the risk of ectoparasitic infestations.

Brachyura is a term used in the classification of crustaceans, specifically referring to a group of decapods known as "true crabs." This infraorder includes a wide variety of crab species that are characterized by having a short and broad abdomen, which is typically tucked under the thorax and protected by the shell.

The term Brachyura comes from the Greek words "brachys," meaning short, and "oura," meaning tail. This refers to the reduced abdomen that distinguishes this group of crabs from other decapods such as shrimps, lobsters, and crayfish.

Brachyura species are found in a wide range of habitats, including freshwater, marine, and terrestrial environments. They can be found all over the world, with some species adapted to live in extreme conditions such as deep-sea hydrothermal vents or intertidal zones. Some well-known examples of Brachyura include the blue crab (Callinectes sapidus), the European shore crab (Carcinus maenas), and the coconut crab (Birgus latro).

I'm sorry for any confusion, but the term "hepatopancreas" is not a recognized term in human anatomy or pathology. It is commonly used to describe a combined exocrine organ in some invertebrates, like crustaceans, where it serves both digestive and metabolic functions. If you have any questions about human medical conditions, I'd be happy to help with those!

I apologize for any confusion, but "Palaemonidae" is not a medical term. It is a taxonomic category in zoology, specifically a family of shrimp that includes many familiar species such as grass shrimps and pistol shrimps. If you have a question related to biology or another subject, I would be happy to try and help with that instead.

Copepoda is a subclass of small crustaceans found in various aquatic environments, including marine and freshwater. They are typically characterized by a segmented body with a distinct head and thorax, and they have a pair of antennae, mandibles, and maxillules used for feeding. Copepods are important members of the zooplankton community and serve as a significant food source for many larger aquatic organisms, such as fish and whales. Some copepod species can also be parasitic, infecting various marine animals, including fish, crustaceans, and mammals.

Parasitic diseases, animal, refer to conditions in animals that are caused by parasites, which are organisms that live on or inside a host and derive benefits from the host at its expense. Parasites can be classified into different groups such as protozoa, helminths (worms), and arthropods (e.g., ticks, fleas).

Parasitic diseases in animals can cause a wide range of clinical signs depending on the type of parasite, the animal species affected, and the location and extent of infection. Some common examples of parasitic diseases in animals include:

* Heartworm disease in dogs and cats caused by Dirofilaria immitis
* Coccidiosis in various animals caused by different species of Eimeria
* Toxoplasmosis in cats and other animals caused by Toxoplasma gondii
* Giardiasis in many animal species caused by Giardia spp.
* Lungworm disease in dogs and cats caused by Angiostrongylus vasorum or Aelurostrongylus abstrusus
* Tapeworm infection in dogs, cats, and other animals caused by different species of Taenia or Dipylidium caninum

Prevention and control of parasitic diseases in animals typically involve a combination of strategies such as regular veterinary care, appropriate use of medications, environmental management, and good hygiene practices.

I apologize for any confusion, but "Penaeidae" is not a medical term. It is actually the scientific name of a family of crustaceans, specifically marine decapods, commonly known as prawns or shrimps. If you have any questions about medical terminology or concepts, I would be happy to help with those instead.

I'm sorry for any confusion, but the term "Mediterranean Sea" is a geographical term referring to the body of water located between Europe and Africa, and it is not a medical term. It is connected to the Atlantic Ocean by the Strait of Gibraltar in the west and to the Red Sea through the Suez Canal in the east. The Mediterranean Sea is known for its unique climate and biodiversity. If you have any questions related to medical or health topics, I would be happy to try to help with those!

Phylogeny is the evolutionary history and relationship among biological entities, such as species or genes, based on their shared characteristics. In other words, it refers to the branching pattern of evolution that shows how various organisms have descended from a common ancestor over time. Phylogenetic analysis involves constructing a tree-like diagram called a phylogenetic tree, which depicts the inferred evolutionary relationships among organisms or genes based on molecular sequence data or other types of characters. This information is crucial for understanding the diversity and distribution of life on Earth, as well as for studying the emergence and spread of diseases.

Hemolymph is not a term typically used in human medicine, but it is commonly used in the study of invertebrates, particularly arthropods such as insects and crustaceans. Hemolymph is the fluid that circulates within the open circulatory system of these animals, serving multiple functions similar to both blood and lymphatic systems in vertebrates.

In simpler terms, hemolymph is a combined fluid that performs the functions of both blood and lymph in invertebrates. It serves as a transport medium for nutrients, waste products, hormones, and immune cells (hemocytes) throughout the body. Hemolymph does not contain red and white blood cells like human blood; instead, hemocytes are the primary cellular components responsible for immune responses and wound healing in these animals.

I'm sorry for any confusion, but "Nephropidae" is not a medical term. It is actually a taxonomic category in zoology, specifically a family of decapod crustaceans that includes lobsters and crayfish. If you have a question related to biology or veterinary medicine, I'd be happy to try to help with that.

Mitochondrial genes are a type of gene that is located in the DNA (deoxyribonucleic acid) found in the mitochondria, which are small organelles present in the cytoplasm of eukaryotic cells (cells with a true nucleus). Mitochondria are responsible for generating energy for the cell through a process called oxidative phosphorylation.

The human mitochondrial genome is a circular DNA molecule that contains 37 genes, including 13 genes that encode for proteins involved in oxidative phosphorylation, 22 genes that encode for transfer RNAs (tRNAs), and 2 genes that encode for ribosomal RNAs (rRNAs). Mutations in mitochondrial genes can lead to a variety of inherited mitochondrial disorders, which can affect any organ system in the body and can present at any age.

Mitochondrial DNA is maternally inherited, meaning that it is passed down from the mother to her offspring through the egg cell. This is because during fertilization, only the sperm's nucleus enters the egg, while the mitochondria remain outside. As a result, all of an individual's mitochondrial DNA comes from their mother.

Astacoidea is a superfamily of freshwater decapod crustaceans, which includes crayfish and lobsters. This superfamily is divided into two families: Astacidae, which contains the true crayfishes, and Cambaridae, which contains the North American burrowing crayfishes. These animals are characterized by a robust exoskeleton, antennae, and pincers, and they are primarily scavengers and predators. They are found in freshwater environments around the world, and some species are of commercial importance as a food source.

'Life cycle stages' is a term used in the context of public health and medicine to describe the different stages that an organism goes through during its lifetime. This concept is particularly important in the field of epidemiology, where understanding the life cycle stages of infectious agents (such as bacteria, viruses, parasites) can help inform strategies for disease prevention and control.

The life cycle stages of an infectious agent may include various forms such as spores, cysts, trophozoites, schizonts, or vectors, among others, depending on the specific organism. Each stage may have different characteristics, such as resistance to environmental factors, susceptibility to drugs, and ability to transmit infection.

For example, the life cycle stages of the malaria parasite include sporozoites (the infective form transmitted by mosquitoes), merozoites (the form that infects red blood cells), trophozoites (the feeding stage inside red blood cells), schizonts (the replicating stage inside red blood cells), and gametocytes (the sexual stage that can be taken up by mosquitoes to continue the life cycle).

Understanding the life cycle stages of an infectious agent is critical for developing effective interventions, such as vaccines, drugs, or other control measures. For example, targeting a specific life cycle stage with a drug may prevent transmission or reduce the severity of disease. Similarly, designing a vaccine to elicit immunity against a particular life cycle stage may provide protection against infection or disease.

Arthropods are a phylum of animals that includes insects, spiders, crustaceans, and other creatures with jointed appendages. Arthropod proteins, therefore, refer to the proteins that are found in these organisms. These proteins play various roles in the structure, function, and regulation of arthropod cells, tissues, and organs.

Arthropod proteins can be classified into several categories based on their functions, such as structural proteins, enzymes, signaling proteins, and defense proteins. Structural proteins provide support and protection to the arthropod exoskeleton, which is composed mainly of chitin and proteins. Enzymes are proteins that catalyze chemical reactions in arthropod metabolism, while signaling proteins regulate various physiological processes, including growth, development, and reproduction. Defense proteins protect arthropods from pathogens, parasites, and environmental stressors.

Arthropod proteins have attracted significant interest in biomedical research due to their potential applications in drug discovery, vaccine development, and diagnostic tools. For example, some arthropod proteins have been identified as promising targets for the development of new insecticides and antiparasitic drugs. Additionally, arthropod-derived proteins have been used in the production of recombinant vaccines against infectious diseases such as Lyme disease and malaria.

Understanding the structure and function of arthropod proteins is essential for advancing our knowledge of arthropod biology, evolution, and ecology. It also has important implications for human health, agriculture, and environmental conservation.

Aquaculture is the controlled cultivation and farming of aquatic organisms, such as fish, crustaceans, mollusks, and aquatic plants, in both freshwater and saltwater environments. It involves the breeding, rearing, and harvesting of these organisms under controlled conditions to produce food, feed, recreational resources, and other products for human use. Aquaculture can take place in a variety of systems, including ponds, raceways, tanks, and cages, and it is an important source of protein and livelihoods for many people around the world.

"Fish diseases" is a broad term that refers to various health conditions and infections affecting fish populations in aquaculture, ornamental fish tanks, or wild aquatic environments. These diseases can be caused by bacteria, viruses, fungi, parasites, or environmental factors such as water quality, temperature, and stress.

Some common examples of fish diseases include:

1. Bacterial diseases: Examples include furunculosis (caused by Aeromonas salmonicida), columnaris disease (caused by Flavobacterium columnare), and enteric septicemia of catfish (caused by Edwardsiella ictaluri).

2. Viral diseases: Examples include infectious pancreatic necrosis virus (IPNV) in salmonids, viral hemorrhagic septicemia virus (VHSV), and koi herpesvirus (KHV).

3. Fungal diseases: Examples include saprolegniasis (caused by Saprolegnia spp.) and cotton wool disease (caused by Aphanomyces spp.).

4. Parasitic diseases: Examples include ichthyophthirius multifiliis (Ich), costia, trichodina, and various worm infestations such as anchor worms (Lernaea spp.) and tapeworms (Diphyllobothrium spp.).

5. Environmental diseases: These are caused by poor water quality, temperature stress, or other environmental factors that weaken the fish's immune system and make them more susceptible to infections. Examples include osmoregulatory disorders, ammonia toxicity, and low dissolved oxygen levels.

It is essential to diagnose and treat fish diseases promptly to prevent their spread among fish populations and maintain healthy aquatic ecosystems. Preventative measures such as proper sanitation, water quality management, biosecurity practices, and vaccination can help reduce the risk of fish diseases in both farmed and ornamental fish settings.

I'm sorry for any confusion, but "Rivers" is not a medical term or concept. It is a geographical term referring to large, flowing bodies of water that usually empty into a sea or an ocean. If you have any medical questions or terms you would like defined, I'd be happy to help!

I'm sorry for any confusion, but "population density" is actually a term used in population geography and epidemiology, rather than medical terminology. It refers to the number of people living in a specific area or region, usually measured as the number of people per square mile or square kilometer.

However, understanding population density can be important in public health and medicine because it can influence various factors related to health outcomes and healthcare delivery, such as:

1. Disease transmission rates: Higher population densities can facilitate the spread of infectious diseases, particularly those that are transmitted through close contact between individuals.
2. Access to healthcare services: Areas with lower population density might have fewer healthcare resources and providers available, making it more challenging for residents to access necessary medical care.
3. Health disparities: Population density can contribute to health inequities, as urban areas often have better access to healthcare, education, and economic opportunities than rural areas, leading to differences in health outcomes between these populations.
4. Environmental factors: Higher population densities might lead to increased pollution, noise, and other environmental hazards that can negatively impact health.

Therefore, while "population density" is not a medical definition per se, it remains an essential concept for understanding various public health and healthcare issues.

Gills are specialized respiratory organs found in many aquatic organisms such as fish, crustaceans, and some mollusks. They are typically thin, feathery structures that increase the surface area for gas exchange between the water and the animal's bloodstream. Gills extract oxygen from water while simultaneously expelling carbon dioxide.

In fish, gills are located in the gill chamber, which is covered by opercula or protective bony flaps. Water enters through the mouth, flows over the gills, and exits through the opercular openings. The movement of water over the gills allows for the diffusion of oxygen and carbon dioxide across the gill filaments and lamellae, which are the thin plates where gas exchange occurs.

Gills contain a rich supply of blood vessels, allowing for efficient transport of oxygen to the body's tissues and removal of carbon dioxide. The counter-current flow of water and blood in the gills ensures that the concentration gradient between the water and the blood is maximized, enhancing the efficiency of gas exchange.

The sex ratio is not a medical term per se, but it is a term used in demography and population health. The sex ratio is the ratio of males to females in a given population. It is typically expressed as the number of males for every 100 females. A sex ratio of 100 would indicate an equal number of males and females.

In the context of human populations, the sex ratio at birth is usually around 103-107 males per 100 females, reflecting a slightly higher likelihood of male births. However, due to biological factors such as higher male mortality rates in infancy and childhood, as well as social and behavioral factors, the sex ratio tends to equalize over time and can even shift in favor of women in older age groups.

It's worth noting that significant deviations from the expected sex ratio at birth or in a population can indicate underlying health issues or societal problems. For example, skewed sex ratios may be associated with gender discrimination, selective abortion of female fetuses, or exposure to environmental toxins that affect male reproductive health.

Biological evolution is the change in the genetic composition of populations of organisms over time, from one generation to the next. It is a process that results in descendants differing genetically from their ancestors. Biological evolution can be driven by several mechanisms, including natural selection, genetic drift, gene flow, and mutation. These processes can lead to changes in the frequency of alleles (variants of a gene) within populations, resulting in the development of new species and the extinction of others over long periods of time. Biological evolution provides a unifying explanation for the diversity of life on Earth and is supported by extensive evidence from many different fields of science, including genetics, paleontology, comparative anatomy, and biogeography.

The term "extremities" in a medical context refers to the most distant parts of the body, including the hands and feet (both fingers and toes), as well as the arms and legs. These are the farthest parts from the torso and head. Medical professionals may examine a patient's extremities for various reasons, such as checking circulation, assessing nerve function, or looking for injuries or abnormalities.

Species specificity is a term used in the field of biology, including medicine, to refer to the characteristic of a biological entity (such as a virus, bacterium, or other microorganism) that allows it to interact exclusively or preferentially with a particular species. This means that the biological entity has a strong affinity for, or is only able to infect, a specific host species.

For example, HIV is specifically adapted to infect human cells and does not typically infect other animal species. Similarly, some bacterial toxins are species-specific and can only affect certain types of animals or humans. This concept is important in understanding the transmission dynamics and host range of various pathogens, as well as in developing targeted therapies and vaccines.

I'm sorry for any confusion, but "Fresh Water" is not a medical term. It is a term used to describe water that contains low concentrations of dissolved salts and other dissolved minerals. It is distinguished from saline water, which includes saltwater found in the ocean and brackish water found in estuaries. Fresh water is essential for many biological processes and is the primary source of water for human consumption, agriculture, and industrial use.

In medical terms, "fossils" do not have a specific or direct relevance to the field. However, in a broader scientific context, fossils are the remains or impressions of prehistoric organisms preserved in petrified form or as a mold or cast in rock. They offer valuable evidence about the Earth's history and the life forms that existed on it millions of years ago.

Paleopathology is a subfield of paleontology that deals with the study of diseases in fossils, which can provide insights into the evolution of diseases and human health over time.

Mitochondrial DNA (mtDNA) is the genetic material present in the mitochondria, which are specialized structures within cells that generate energy. Unlike nuclear DNA, which is present in the cell nucleus and inherited from both parents, mtDNA is inherited solely from the mother.

MtDNA is a circular molecule that contains 37 genes, including 13 genes that encode for proteins involved in oxidative phosphorylation, a process that generates energy in the form of ATP. The remaining genes encode for rRNAs and tRNAs, which are necessary for protein synthesis within the mitochondria.

Mutations in mtDNA can lead to a variety of genetic disorders, including mitochondrial diseases, which can affect any organ system in the body. These mutations can also be used in forensic science to identify individuals and establish biological relationships.

I apologize, but "Brazil" is not a medical term or condition. It is the largest country in both South America and Latin America by land area and population. If you have any questions related to medical terminology or health concerns, please provide more information and I will do my best to help.

Host-parasite interactions refer to the relationship between a parasitic organism (the parasite) and its host, which can be an animal, plant, or human body. The parasite lives on or inside the host and derives nutrients from it, often causing harm in the process. This interaction can range from relatively benign to severe, depending on various factors such as the species of the parasite, the immune response of the host, and the duration of infection.

The host-parasite relationship is often categorized based on the degree of harm caused to the host. Parasites that cause little to no harm are called commensals, while those that cause significant damage or disease are called parasitic pathogens. Some parasites can even manipulate their hosts' behavior and physiology to enhance their own survival and reproduction, leading to complex interactions between the two organisms.

Understanding host-parasite interactions is crucial for developing effective strategies to prevent and treat parasitic infections, as well as for understanding the ecological relationships between different species in natural ecosystems.

I apologize for any confusion, but "insects" are not a medical term. Insects are small air-breathing arthropods that have a segmented body with six legs and usually have wings. They make up the largest group of animals on Earth, with over a million described species.

If you're looking for information about a specific medical condition or topic, please provide more details so I can offer a relevant response.

An "ecosystem" is not a term that has a specific medical definition, as it is a concept that is more commonly used in the fields of ecology and environmental science. However, I can provide you with the general ecological definition of an ecosystem:

An ecosystem is a community of living organisms interacting with each other and their non-living environment, including both biotic factors (plants, animals, microorganisms) and abiotic factors (climate, soil, water, and air). These interactions create a complex network of relationships that form the foundation of ecological processes, such as energy flow, nutrient cycling, and population dynamics.

While there is no direct medical definition for an ecosystem, understanding the principles of ecosystems can have important implications for human health. For example, healthy ecosystems can provide clean air and water, regulate climate, support food production, and offer opportunities for recreation and relaxation, all of which contribute to overall well-being. Conversely, degraded ecosystems can lead to increased exposure to environmental hazards, reduced access to natural resources, and heightened risks of infectious diseases. Therefore, maintaining the health and integrity of ecosystems is crucial for promoting human health and preventing disease.

Biodiversity is the variety of different species of plants, animals, and microorganisms that live in an ecosystem. It also includes the variety of genes within a species and the variety of ecosystems (such as forests, grasslands, deserts, and oceans) that exist in a region or on Earth as a whole. Biodiversity is important for maintaining the health and balance of ecosystems, providing resources and services such as food, clean water, and pollination, and contributing to the discovery of new medicines and other useful products. The loss of biodiversity can have negative impacts on the functioning of ecosystems and the services they provide, and can threaten the survival of species and the livelihoods of people who depend on them.

Population dynamics, in the context of public health and epidemiology, refers to the study of the changes in size and structure of a population over time, as well as the factors that contribute to those changes. This can include birth rates, death rates, migration patterns, aging, and other demographic characteristics. Understanding population dynamics is crucial for planning and implementing public health interventions, such as vaccination programs or disease prevention strategies, as they allow researchers and policymakers to identify vulnerable populations, predict future health trends, and evaluate the impact of public health initiatives.

Molecular evolution is the process of change in the DNA sequence or protein structure over time, driven by mechanisms such as mutation, genetic drift, gene flow, and natural selection. It refers to the evolutionary study of changes in DNA, RNA, and proteins, and how these changes accumulate and lead to new species and diversity of life. Molecular evolution can be used to understand the history and relationships among different organisms, as well as the functional consequences of genetic changes.

Reproduction, in the context of biology and medicine, refers to the process by which organisms produce offspring. It is a complex process that involves the creation, development, and growth of new individuals from parent organisms. In sexual reproduction, this process typically involves the combination of genetic material from two parents through the fusion of gametes (sex cells) such as sperm and egg cells. This results in the formation of a zygote, which then develops into a new individual with a unique genetic makeup.

In contrast, asexual reproduction does not involve the fusion of gametes and can occur through various mechanisms such as budding, fragmentation, or parthenogenesis. Asexual reproduction results in offspring that are genetically identical to the parent organism.

Reproduction is a fundamental process that ensures the survival and continuation of species over time. It is also an area of active research in fields such as reproductive medicine, where scientists and clinicians work to understand and address issues related to human fertility, contraception, and genetic disorders.

Seawater is not a medical term, but it is a type of water that covers more than 70% of the Earth's surface. Medically, seawater can be relevant in certain contexts, such as in discussions of marine biology, environmental health, or water safety. Seawater has a high salt content, with an average salinity of around 3.5%, which is much higher than that of freshwater. This makes it unsuitable for drinking or irrigation without desalination.

Exposure to seawater can also have medical implications, such as in cases of immersion injuries, marine envenomations, or waterborne illnesses. However, there is no single medical definition of seawater.

I'm sorry for any confusion, but "seasons" is not a term that has a medical definition. Seasons refer to the four divisions of the year (spring, summer, autumn or fall, and winter) based on the position of the earth in its orbit around the sun. If you have any questions related to health or medicine, I'd be happy to try to help answer those!

An ovum is the female reproductive cell, or gamete, produced in the ovaries. It is also known as an egg cell and is released from the ovary during ovulation. When fertilized by a sperm, it becomes a zygote, which can develop into a fetus. The ovum contains half the genetic material necessary to create a new individual.

The eye is the organ of sight, primarily responsible for detecting and focusing on visual stimuli. It is a complex structure composed of various parts that work together to enable vision. Here are some of the main components of the eye:

1. Cornea: The clear front part of the eye that refracts light entering the eye and protects the eye from harmful particles and microorganisms.
2. Iris: The colored part of the eye that controls the amount of light reaching the retina by adjusting the size of the pupil.
3. Pupil: The opening in the center of the iris that allows light to enter the eye.
4. Lens: A biconvex structure located behind the iris that further refracts light and focuses it onto the retina.
5. Retina: A layer of light-sensitive cells (rods and cones) at the back of the eye that convert light into electrical signals, which are then transmitted to the brain via the optic nerve.
6. Optic Nerve: The nerve that carries visual information from the retina to the brain.
7. Vitreous: A clear, gel-like substance that fills the space between the lens and the retina, providing structural support to the eye.
8. Conjunctiva: A thin, transparent membrane that covers the front of the eye and the inner surface of the eyelids.
9. Extraocular Muscles: Six muscles that control the movement of the eye, allowing for proper alignment and focus.

The eye is a remarkable organ that allows us to perceive and interact with our surroundings. Various medical specialties, such as ophthalmology and optometry, are dedicated to the diagnosis, treatment, and management of various eye conditions and diseases.

A larva is a distinct stage in the life cycle of various insects, mites, and other arthropods during which they undergo significant metamorphosis before becoming adults. In a medical context, larvae are known for their role in certain parasitic infections. Specifically, some helminth (parasitic worm) species use larval forms to infect human hosts. These invasions may lead to conditions such as cutaneous larva migrans, visceral larva migrans, or gnathostomiasis, depending on the specific parasite involved and the location of the infection within the body.

The larval stage is characterized by its markedly different morphology and behavior compared to the adult form. Larvae often have a distinct appearance, featuring unsegmented bodies, simple sense organs, and undeveloped digestive systems. They are typically adapted for a specific mode of life, such as free-living or parasitic existence, and rely on external sources of nutrition for their development.

In the context of helminth infections, larvae may be transmitted to humans through various routes, including ingestion of contaminated food or water, direct skin contact with infective stages, or transmission via an intermediate host (such as a vector). Once inside the human body, these parasitic larvae can cause tissue damage and provoke immune responses, leading to the clinical manifestations of disease.

It is essential to distinguish between the medical definition of 'larva' and its broader usage in biology and zoology. In those fields, 'larva' refers to any juvenile form that undergoes metamorphosis before reaching adulthood, regardless of whether it is parasitic or not.

Molecular sequence data refers to the specific arrangement of molecules, most commonly nucleotides in DNA or RNA, or amino acids in proteins, that make up a biological macromolecule. This data is generated through laboratory techniques such as sequencing, and provides information about the exact order of the constituent molecules. This data is crucial in various fields of biology, including genetics, evolution, and molecular biology, allowing for comparisons between different organisms, identification of genetic variations, and studies of gene function and regulation.

DNA Sequence Analysis is the systematic determination of the order of nucleotides in a DNA molecule. It is a critical component of modern molecular biology, genetics, and genetic engineering. The process involves determining the exact order of the four nucleotide bases - adenine (A), guanine (G), cytosine (C), and thymine (T) - in a DNA molecule or fragment. This information is used in various applications such as identifying gene mutations, studying evolutionary relationships, developing molecular markers for breeding, and diagnosing genetic diseases.

The process of DNA Sequence Analysis typically involves several steps, including DNA extraction, PCR amplification (if necessary), purification, sequencing reaction, and electrophoresis. The resulting data is then analyzed using specialized software to determine the exact sequence of nucleotides.

In recent years, high-throughput DNA sequencing technologies have revolutionized the field of genomics, enabling the rapid and cost-effective sequencing of entire genomes. This has led to an explosion of genomic data and new insights into the genetic basis of many diseases and traits.

... is a species of flowering plant known by the common names Malaysian false pimpernel. It is a member of the ... Malaysian false pimpernel flower Pollen "Plants Profile for Lindernia crustacea (Malaysian false pimpernel)". plants.usda.gov. ...
"Calothrix crustacea Schousb. ex Thur". Soft-Bodied Stream Algae of California. Archived from the original on 16 January 2017. ... Calothrix crustacea is a species of cyanobacteria that is widespread in oceans worldwide. Unusually for bacteria, the filaments ...
Crustacea: University of Edinburgh Crustaceans (Crustacea) on the shore of Singapore Crustacea(crabs, lobsters, shrimps, prawns ... 5. Crustacea.net, an online resource on the biology of crustaceans Crustacea: Natural History Museum of Los Angeles County ... Crustaceans portal Pain in crustaceans Calman, William Thomas (1911). "Crustacea" . In Chisholm, Hugh (ed.). Encyclopædia ... Marine crustaceans are as ubiquitous in the oceans as insects are on land. Most crustaceans are also motile, moving about ...
Laura is a genus of crustacean with two species: Laura bicornuta and Laura dorsalis. It is in the family Lauridae. "Catalogue ...
Aristeus is a genus of dendrobranchiate decapod crustaceans. Some species are subject to commercial fisheries. The genus was ...
Vir is a genus of shrimp comprising the following species: Vir colemani Bruce, 2003 Vir euphyllius Marin & Anker, 2005 Vir longidactylusa Marin, 2008 Vir orientalis (Dana, 1852) Vir philippinensis Bruce & Svoboda, 1984 Vir smiti Fransen & Holthuis, 2007 Charles Fransen & Sammy De Grave (2011). "Vir Holthuis, 1952". World Register of Marine Species. Retrieved November 23, 2011. v t e (Articles with short description, Short description matches Wikidata, Articles with 'species' microformats, Palaemonoidea, All stub articles, Caridea stubs ...
Smirnov, N.N.; Timms, B.V. (1983). "A Revision of the Australian Cladocera (Crustacea)". Records of the Australian Museum. 35: ... 3. ISBN 978-90-5103-074-7. Olesen, J.ørgen (1998). "A phylogenetic analysis of the Conchostraca and Cladocera (Crustacea, ... Korovchinsky, N.M. (1992). Sididae and Holopediidae (Crustacea: Daphniiformes). Guides to the Identification of the ...
Tanais is a genus of malacostracans in the family Tanaididae. There are about 11 described species in Tanais. These 11 species belong to the genus Tanais: Tanais dulongii (Audouin, 1826) i c g b Tanais gayi Nicolet, 1849 i c g Tanais grimaldii Dollfus, 1897 i c g Tanais loricatus Bate, 1864 i c g Tanais macrocheles Nicolet, 1849 i c g Tanais nuwalianensis Tzeng & Hsueh, 2014 c g Tanais pongo Bamber, 2005 c g Tanais portiatius i g Tanais tenuicornis (Haswell, 1882) i Tanais tinhauae Bamber and Bird, 1997 i c g Tanais vanis M. A. Miller, 1940 i c g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net "Tanais Report". Integrated Taxonomic Information System. Retrieved 2018-05-06. "Browse Tanais". Catalogue of Life. Retrieved 2018-05-06. "Tanais". GBIF. Retrieved 2018-05-06. "Tanais Genus Information". BugGuide.net. Retrieved 2018-05-06. v t e (Articles with short description, Short description matches Wikidata, Articles with 'species' microformats, Tanaidacea, Malacostraca ...
Igawa, Momoko; Kato, Makoto (20 September 2017). "A new species of hermit crab, Diogenes heteropsammicola (Crustacea, Decapoda ...
Macpherson E, Jones W, Segonzac M (2006). "A new squat lobster family of Galatheoidea (Crustacea, Decapoda, Anomura) from the ... Journal of Crustacean Biology. 36 (2): 238-247. doi:10.1163/1937240x-00002418. Rebecca Morelle (December 28, 2011). "Deep-sea ... Crustacea: Decapoda: Anomura)". Contributions to Zoology. 85 (4): 361-386. doi:10.1163/18759866-08504001. Data related to Kiwa ...
ISBN 978-0-643-06791-2. L. R. Richardson and J. C. Yaldwyn (1958). "A guide to the natant decapod Crustacea (shrimps and prawns ... Gary C. B. Poore & Shane T. Ahyong (2004). "Hippolytidae Bate, 1888". Marine decapod Crustacea of southern Australia: a guide ... ISBN 978-0-643-06906-0. P. J. F. Davie (2002). "Hippolytidae Bate, 1888". Crustacea: Malacostraca: Phyllocarida, Hoplocarida, ...
Gary C. B. Poore & Shane T. Ahyong (2004). Marine decapod Crustacea of southern Australia: a guide to identification. CSIRO ... 2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1- ... Crustacea: Decapoda)". Zoological Journal of the Linnean Society. 178: 15-32. doi:10.1111/zoj.12398. (CS1: long volume value, ...
Michel E. Henrickx & Alan W. Harvey (1998). "Checklist of Anomuran Crabs (Crustacea: Decapoda) from the Eastern Tropical ...
Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved 4 March 2016. F. Ferrara; S ...
Hyperia is a genus of amphipods in the family Hyperiidae. It contains the following species: Hyperia bowmani M. Vinogradov, 1976 Hyperia crassa Bowman, 1973 Hyperia curticephala M. Vinogradov & Semenova, 1985 Hyperia fabrei H. Milne Edwards, 1830 Hyperia galba Montagu, 1815 Hyperia gaudichaudii H. Milne Edwards, 1840 Hyperia leptura Bowman, 1973 Hyperia macrocephala Dana, 1853 Hyperia medusarum Müller, 1776 Hyperia spinigera Bovallius, 1889 "Hyperia". Integrated Taxonomic Information System. Bellan-Santini, Denise; Lowry, Jim (2010). "Hyperia Latreille, 1823". WoRMS. World Register of Marine Species. Retrieved August 20, 2017. v t e (Articles with short description, Short description matches Wikidata, Articles with 'species' microformats, Hyperiidea, Taxa named by Anselme Gaëtan Desmarest, Amphipod genera, All stub articles, Amphipod stubs ...
Kelleria is a genus of cyclopoid copepods in the family Kelleriidae, the sole genus in the family. There are about 19 described species in Kelleria. These 19 species belong to the genus Kelleria: Kelleria andamanensis Sewell, 1949 Kelleria australiensis Bayly, 1971 Kelleria camortensis Sewell, 1949 Kelleria corioensis Arnott & McKinnon, 1981 Kelleria gradata Stock, 1967 Kelleria grandisetiger Kim I.H., 2006 Kelleria gurneyi Sewell, 1949 Kelleria indonesiana Mulyadi, 2009 Kelleria javaensis Mulyadi, 2009 Kelleria multiovigera Kim I.H., 2009 Kelleria pectinata (Scott A., 1909) Kelleria portiviva Kim I.H., 2006 Kelleria propinquus (Scott T., 1894) Kelleria purpurocincta Gurney, 1927 Kelleria reducta Gómez, 2006 Kelleria regalis Gurney, 1927 Kelleria rubimaculata Krishnaswamy, 1952 Kelleria undecidentata Kim I.H., 2006 Kelleria vaga Kim I.H., 2000 "Kelleria Report". Integrated Taxonomic Information System. Retrieved 2020-01-26. "Kelleria". GBIF. Retrieved 2020-01-26. v t e (Articles with short ...
Maera is a genus of crustacean in the family Maeridae, and was first described by William Elford Leach in 1814. It consists of ...
Scottia is a genus of ostracods in the family Cyprididae. Extant species: Scottia audax Scottia birigida Scottia insularis Scottia pseudobrowniana Fossil species: †Scottia bonei †Scottia browniana †Scottia candonaeformis †Scottia dacica †Scottia kempfi †Scottia tumida Brady, G.S. & Norman, A.M. 1889: A monograph of the marine and freshwater Ostracoda of the North Atlantic and of north-western Europe. Section I: Podocopa. The Scientific Transactions of the Royal Dublin Society (Series 2), 4 (2), pages 63-270. Data related to Scottia at Wikispecies Scottia at lbm.go.jp v t e (Articles with short description, Short description is different from Wikidata, Articles with 'species' microformats, Cyprididae, Podocopida genera, All stub articles, Crustacean stubs ...
"First record of Puerulus mesodontus Chan, Ma & Chu, 2013 (Crustacea, Decapoda, Achelata, Palinuridae) from south of Java, ...
Automate is a genus of pistol shrimp of the family Alpheidae, containing the following species: Automate anacanthopus de Man, 1910 Automate anacanthopusoides Wang & Sha, 2017 Automate awaji Komai, Tamego & Hanano, 2020 Automate branchialis Holthuis & Gottlieb, 1958 Automate dolichognatha de Man, 1888 Automate evermanni Rathbun, 1901 Automate hayashii Anker & Komai, 2004 Automate isabelae Ramos-Tafur, 2018 Automate rectifrons Chace, 1972 Automate rugosa Coutière, 1902 Automate salomoni Coutière, 1908 Automate spinosa Wang & Sha, 2017 Automate talismani Coutière, 1902 De Grave, Sammy (ed.) (2023). "Automate de Man, 1888". World Register of Marine Species. Retrieved June 18, 2023. {{cite web}}: ,author= has generic name (help) v t e (CS1 errors: generic name, Articles with short description, Short description matches Wikidata, Articles with 'species' microformats, Alpheidae, Taxa named by Johannes Govertus de Man, Decapod genera, All stub articles, Caridea stubs ...
Gary C. B. Poore (2004). Marine Decapod Crustacea of Southern Australia: A Guide to Identification. CSIRO Publishing. p. 45. ... Crustacea: Decapoda)". Zoological Journal of the Linnean Society. 178: 15-32. doi:10.1111/zoj.12398. ...
Keenan, Clive P.; Davie, Peter J.F.; Mann, David L. (1998). "A revision of the genus Scylla de Haan, 1833 (Crustacea: Decapoda ...
v t e (Articles with 'species' microformats, Barnacles, All stub articles, Crustacean stubs). ...
Dardanus is a genus of hermit crabs belonging to the Diogenidae family. This genus contains the following species: Dardanus arrosor (Herbst, 1796) Dardanus aspersus (Berthold, 1846) Dardanus australis Forest & Morgan, 1991 Dardanus brachyops Forest, 1963 Dardanus calidus (Risso, 1827) Dardanus callichela Cook, 1989 Dardanus corrugatus Cook, 1989 Dardanus crassimanus (H. Milne-Edwards, 1836) Dardanus dearmatus Henderson, 1888 Dardanus deformis H. Milne-Edwards, 1836 Dardanus fucosus Biffar & Provenzano, 1972 Dardanus gemmatus (H. Milne-Edwards, 1836) Dardanus guttatus (Olivier, 1812) Dardanus hessii (Miers, 1884) Dardanus imbricatus (H. Milne-Edwards, 1848) Dardanus imperator (Miers, 1881) Dardanus impressus (De Haan, 1849) Dardanus insignis (de Saussure, 1858) Dardanus jacquesi Asakura & Hirayama, 2002 Dardanus janethaigae Ayon & Hendrickx, 2009 Dardanus jordani Schmitt, 1921 Dardanus lagopodes (Forskål, 1775) Dardanus longior Asakura, 2006 Dardanus magdalenensis Ayon & Hendrickx, 2009 Dardanus ...
Polyarthra is an order of copepods belonging to the class Copepoda. There are two families recognised in the order Polyarthra: Canuellidae Lang, 1944 Longipediidae Boeck, 1865 "Polyarthra". www.gbif.org. Retrieved 13 May 2021. World of Copepods Database. Walter, T.C.; Boxshall, G. (eds.). "Polyarthra". World Register of Marine Species. Retrieved 21 January 2023. v t e (Articles with 'species' microformats, Copepods, All stub articles, Copepod stubs ...
Salmoneus is a genus of shrimps of the family Alpheidae. Understanding of the genus has grown rapidly, with only 19 known species before 2000, to over 60 species as of 2023[update]. The following species are recognised in the genus Salmoneus: Salmoneus aduncus Komai, 2022 Salmoneus alpheophilus Anker & Marin, 2006 Salmoneus alvarezi Anker & Lazarus, 2015 Salmoneus antricola Komai, Yamada & Yunokawa, 2015 Salmoneus arabicus Anker, 2022 Salmoneus armatus Anker, 2010 Salmoneus arubae (Schmitt, 1936) Salmoneus auroculatus Anker & Marin, 2006 Salmoneus babai Miyake & Miya, 1966 Salmoneus brevirostris (Edmondson, 1930) Salmoneus brucei Komai, 2009 Salmoneus bruni Banner & Banner, 1966 Salmoneus caboverdensis Dworschak, Anker & Abed-Navandi, 2000 Salmoneus camaroncito Anker, 2010 Salmoneus carvachoi Anker, 2007 Salmoneus cavicolus Felder & Manning, 1986 Salmoneus chadwickae Ďuriš & Horká, 2016 Salmoneus colinorum De Grave, 2004 Salmoneus cristatus (Coutière, 1897) Salmoneus degravei Anker, 2010 ...
Wikimedia Commons has media related to Temora. Temora is a genus of copepods in the family Temoridae. The World Register of Marine Species lists the following species: Temora discaudata Giesbrecht, 1889 Temora kerguelensis Wolfenden, 1911 Temora longicornis (Müller O.F., 1785) Temora stylifera (Dana, 1849) Temora turbinata (Dana, 1849) Additionally, Temora curta (Dana, 1849) is considered a taxon inquirendum. A number of species previously included in this genus have been moved to the Eurytemora genus: Temora affinis Poppe, 1880 and Temora inermis Boeck, 1865 (now Eurytemora affinis affinis Poppe, 1880) Temora clausii Hoek, 1878 and Temora velox Lilljeborg, 1853 (now Eurytemora velox (Lilljeborg, 1853)) T. Chad Walter (2015). Walter TC, Boxshall G (eds.). "Temora Baird, 1850". World of Copepods database. World Register of Marine Species. Retrieved 6 April 2018. v t e (Articles with short description, Short description matches Wikidata, Articles with 'species' microformats, Commons category link ...
Carboniferous crustaceans, Fossils of Russia, Fossils of the United States, All stub articles, Crustacean stubs, Prehistoric ... Carbonita is an extinct genus of nonmarine ostracod crustaceans that lived during the Carboniferous period. The genus contains ...
Tin-Yam Chan (2010). Martyn E. Y. Low; S. H. Tan (eds.). "Annotated checklist of the world's marine lobsters (Crustacea: ... Alessandro Garassino & Antonio De Angeli (2003). "Justitia Holthuis, 1946 (Crustacea, Decapoda, Palinuridea) from the Middle ...
Alpheus is a genus of snapping shrimp of the family Alpheidae. This genus contains in excess of 330 species, making this the most species-rich genus of shrimp. Like other snapping shrimp, the claws of Alpheus are asymmetrical, with one of the claws enlarged for making a popping noise. Some species in the genus enter into symbiotic relationships with gobiid fishes, and others associate with sea anemones. Valid species as of October 2023: Alpheus abumusa Dehghani, Sari & Naderloo, 2019 Alpheus acutocarinatus De Man, 1909 Alpheus acutofemoratus Dana, 1852 Alpheus adamastor Coutière, 1908 Alpheus aequus Kim & Abele, 1988 Alpheus africanus Balss, 1916 Alpheus agilis Anker, Hurt & Knowlton, 2009 Alpheus agrogon Ramos, 1997 Alpheus alaincrosnieri Anker, 2020 Alpheus albatrossae (AH Banner, 1953) Alpheus alcyone De Man, 1902 Alpheus alpheopsides Coutière, 1905 Alpheus amarillo Anker, 2012 Alpheus amblyonyx Chace, 1972 Alpheus amirantei Coutière, 1908 Alpheus anchistus De Man, 1920 Alpheus angulosus ...
Crustacea: University of Edinburgh Crustaceans (Crustacea) on the shore of Singapore Crustacea(crabs, lobsters, shrimps, prawns ... 5. Crustacea.net, an online resource on the biology of crustaceans Crustacea: Natural History Museum of Los Angeles County ... Crustaceans portal Pain in crustaceans Calman, William Thomas (1911). "Crustacea" . In Chisholm, Hugh (ed.). Encyclopædia ... Marine crustaceans are as ubiquitous in the oceans as insects are on land. Most crustaceans are also motile, moving about ...
... this animal Fact or Fiction Quiz at Encyclopedia Britannica to test your knowledge of crabs and other interesting crustaceans. ...
... Publisert 22.09.2020 13:04. Sist endret 10.12.2020 10:44. ...
Macrothrix (Crustacea). Macrothrix (Crustacea). This cladoceran is one of many varieties of water flea and can be found along ...
Crustaceans, insects and mushrooms are rich sources of the dietary fiber chitin, which activates the immune system and benefits ... Crustaceans, insects and mushrooms are rich sources of the dietary fiber chitin, which activates the immune system and benefits ... "Fiber from crustaceans, insects, mushrooms promotes digestion." ScienceDaily. www.sciencedaily.com. /. releases. /. 2023. /. 09 ... Fiber from crustaceans, insects, mushrooms promotes digestion. Findings, in mice, suggest engaging immune system with such ...
Terrestrial Amphipods or Lawn Shrimp (Crustacea: Amphipoda: Talitridae). IN377. /EENY-220 by Thomas R. FasuloJune 16th, 2021The ... Cherry Shrimp Neocaridina davidi (Bouvier 1904) (Crustacea: Decopoda: Atyidae). IN1301. /EENY-751 by Carrie Suen and Jennifer L ... Seed Shrimp, Mussel Shrimp (Freshwater Ostracods) scientific name: (Crustacea: Ostracoda: Podocopa). IN1260. /EENY-734 by ...
Mom, Daughter Busted In Brazen Crustacean Heist. Duo charged with crab leg theft, assault ... Memphis police subsequently identified Hollins and Hodges as suspects in the crustacean investigation. The duo was collared ... but not before slugging a female employee in the face when she tried to thwart the brazen crustacean heist, investigators ...
Journal of Crustacean Biology publishes papers on crustacean biology and other marine arthropods, biographies of renowned ... The Rhizocephala is a group of extremely reduced parasitic crustaceans, that exclusively parasitize other Crustacea. In the ... Such whole-body decapod crustaceans are rare in Quaternary deposits of the southeastern United States. The low degree of ... which are currently used in studies on the reproductive biology of decapod crustaceans. In this species, the identification of ...
crustacean , profile , all galleries >> Galleries >> Vintage Machinery Show 2009 tree view , thumbnails , slideshow ...
In crustacean, phagocytosis by hemocyte has also been well-recognized as a crucial defense mechanism for the host against ... In crustacean, phagocytosis by hemocyte has also been well recognized as a crucial defense mechanism for the host against ... of the phagocytic mechanism of different hemocytes and their contribution to the host defense immunity in crustaceans. ... of the phagocytic mechanism of different hemocytes and their contribution to the host defense immunity in crustaceans. ...
Heres Why Crustaceans Are Usually Cooked Alive. RECIPES NEWS EXCLUSIVES RESTAURANTS Cook Drink FEATURES GROCERY Culture ... Whether its scooped into split-top buns, stuffed into ravioli, or served on top of grits, crustaceans add a sweetly sea-kissed ... What was once branded as peasant food has since been rebranded as a luxury, when it comes to crustaceans like lobsters and ... Whether its lobster, crab, shrimp, or any other crustacean, youve probably noticed that theyre usually cooked shells-on and ...
... a body divided into cephalothorax and abdomen two pairs of antennae and three pairs of mouth appendages Examples of crustaceans ... include crabs, pillbugs, and barnacles (Its true! Under that lumpy exterior, barnacles are crustaceans with all of the right ... Crustaceans are a group of arthropods distinguished by the following characters: ... crustacean. Crustaceans are a group of arthropods distinguished by the following characters:. *a body divided into ...
Access the official records of the Smithsonian Institution and learn about its history, key events, people, and research.
Jury A. Rudjakov and Louis S. Kornicker "Review of species and species groups of the genus Cypridinodes (Crustacea: Ostracoda: ... Jury A. Rudjakov, Louis S. Kornicker "Review of species and species groups of the genus Cypridinodes (Crustacea: Ostracoda: ... Review of species and species groups of the genus Cypridinodes (Crustacea: Ostracoda: Myodocopa: Cypridinidae: Cypridininae). ...
Image of the Day: Kiddie Crustaceans. Young crabs, like this one in the megalopa stage of development, closely resemble 150- ...
Official Post from The Glass Cannon
Were going to be cool as a crustacean while exploring the ocean ... Were going to be cool as a crustacean while exploring the ...
The value of crustaceans and mollusks imported into Iceland fluctuated from 2009 to 2019. ... Value of crustaceans and mollusks imported into Iceland 2009-2019 Published by M. Ridder, Sep 22, 2021 ... Value of crustaceans and mollusks imported into Iceland from 2009 to 2019 (in million ISK) ... "Value of Crustaceans and Mollusks Imported into Iceland from 2009 to 2019 (in Million Isk)." Statista, Statista Inc., 15 May ...
... Dataset homepage ... Gerken S, plazi (2016). Leuconidae (Crustacea: Cumacea) from the collections of the Museum Victoria, Australia. Plazi.org ... Gerken, Sarah (2016): Leuconidae (Crustacea: Cumacea) from the collections of the Museum Victoria, Australia. Zootaxa 4067 (3 ... Crustacea: Cumacea) from the collections of the Museum Victoria, Australia. Zootaxa 4067 (3): 251-292, DOI: 10.11646/zootaxa. ...
The study was carried out based on material deposited in crustacean collections from Brazil, the United States and several ... Taxonomic review of the family Serolidae Dana, 1853 (Crustacea: Isopoda) in the Atlantic Ocean (45N-60S) ... Revisão taxonômica da família Serolidae Dana, 1853 (Crustacea: Isopoda) no oceano Atlântico (45°N - 60° S) ...
Most crustaceans live in the sea but some are found in freshwater or on land. The one thing they all need to survive is water, ... Crustacea includes lobsters, crabs, shrimps, prawns, hoppers, wood lice, water fleas, and several other groups. ... Crustaceans: The Swiss Army knife of life Crustaceans: The Swiss Army knife of life. Crustaceans are like the Swiss Army knife ... Browse crustaceans in our collection Browse crustaceans in our collection. Take a look at some of our collection of Crustacea ...
The widespread distribution of Crustacea across every aquatic ecological niche on Earth is enabled due to their exoskeletons ... Kruppert, S. et al. Biomechanical properties of predator-induced body armour in the freshwater crustacean Daphnia. Sci. Rep. 7 ... Our results highlight the importance of calcium biominerals for the freshwater crustacean D. magna. It may be deduced that an ... Halcrow, K. Cell and tissue the fine structure of the carapace integument of Daphniamagna Straus (Crustacea Branchiopoda). Cell ...
... 2 months, 3 weeks ago ... an abundant dietary fiber in insect exoskeletons and also mushrooms and crustacean shells, engages the immune system. An active ... https://medicine.wustl.edu/news/fiber-from-crustaceans-insects-mushrooms-engages-immune-system-to-promote-digestion/ ...
Arrest Warrant Issued For Woman Nabbed In Brazen Crustacean Heist At Red Lobster. *Comments() * Share ...
Senna A R, Serejo C S, plazi (2007). Two new species of Quadrimaera (Crustacea: Amphipoda: Melitidae) from Atol das Rocas, ... Two new species of Quadrimaera (Crustacea: Amphipoda: Melitidae) from Atol das Rocas, Brazil Dataset homepage ... Crustacea: Amphipoda: Melitidae) from Atol das Rocas, Brazil. Zootaxa 1593: 55-67, DOI: 10.5281/zenodo.178616 Taxonomic ...
Is a Cassation a Crustacean?. 12/17/2019 By Emma Riggle A Play On Words by All Classical Portlands Music Researcher & ... Allow me to save you the years of sleep I lost over this by telling you exactly what the difference is between a crustacean and ... A crustacean, on the other hand, is an exoskeleton-bearing member of the phylum arthropoda. Examples include lobsters, ... 3: a Dungeness crab, which is an example of a crustacean. Crabby is also how I felt after I realized that I had misheard " ...
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Vibrant crustacean print on 100% cotton tea towel. A unique and beautiful host/hostess gift. ... Crustacean Row Lampshade From £130 Per item. View More options Crab Velvet Cushion £140 Per item. View More options Eel Velvet ...
  • While they are one of the most commonly seen crustaceans at Padre Island National Seashore, they are just one of 41 crustacean species that have been documented in the park. (nps.gov)
  • His research interests, spanning more than 25 years, include the phylogeny and systematics of marine and freshwater Crustacea, marine invasive species, biogeography and phylogenetic methods, published in over 300 papers and book chapters. (routledge.com)
  • This dataset contains the digitized treatments in Plazi based on the original journal article Ota, Yuzo (2013): Redescription of five gnathiid species from Japan (Crustacea: Isopoda). (gbif.org)
  • A crack team of international boffins has uncovered startling facts about certain species of crustaceans which produce sperm ten times as long as their own bodies. (theregister.com)
  • Covers the commercially important crustacean species - shrimps, prawns, lobsters and yabbies, listing over 1200 species known from Australian waters. (andrewisles.com)
  • An account of the Crustacea of Norway with short descriptions and figures of all the species. (marinespecies.org)
  • This dataset contains the digitized treatments in Plazi based on the original journal article Komai, Tomoyuki, Eletskaya, Maria (2008): A new species of the pandalid shrimp genus Pandalus (Crustacea: Decapoda: Caridea) from the Sea of Okhotsk off eastern Sakhalin, Russian Far East. (gbif.org)
  • Bruce, A.J. (1970b) Further preliminary descriptions of new species of the genus Periclimenaeus Borradaile, 1915 (Crustacea, Decapoda Natantia, Pontoniinae). (mapress.com)
  • Bruce, A.J. (1997) A new pontoniine shrimp genus (Crustacea: Decapoda) from the Yemen, with a note on other species. (mapress.com)
  • Marine Decapod Crustacea explains the anatomical features necessary for differentiating taxa and includes diagnoses and identification keys to all 189 families and 2121 genera of marine Decapoda. (routledge.com)
  • Ashelby, C.W., De Grave, S. & Johnson, M.L. (2015) Preliminary observations on the mandibles of palaemonoid shrimp (Crustacea: Decapoda: Caridea: Palaemonoidea). (mapress.com)
  • Bracken-Grissom, H.D., Robles, R. & Felder, D.L. (2014) Molecular phylogenetics of American snapping shrimps allied to Alpheus floridanus Kingsley, 1878 (Crustacea: Decapoda: Alpheidae). (mapress.com)
  • Bruce, A.J. (1995) A synopsis of the Indo-West Pacific genera of the Pontoniinae (Crustacea: Decapoda: Pontoniinae). (mapress.com)
  • Bruce, A.J. (2009) Comments on the generic position of Typton australis Bruce, 1973, and some related taxa (Crustacea: Decapoda: Pontoniinae). (mapress.com)
  • Bruce, A.J. (2010a) A revision of the systematic position of Periclimenaeus spinimanus Bruce, 1969 (Crustacea: Decapoda: Pontoniinae) and the designation of Anisomenaeus gen. nov. (mapress.com)
  • 10. A new echiuran-associated snapping shrimp (Crustacea: Decapoda: Alpheidae) from the Indo-West Pacific. (nih.gov)
  • Crustacea, Decapoda, Alpheidae). (nih.gov)
  • 19. Provisional revision of American snapping shrimp allied to Alpheus floridanus Kingsley, 1878 (Crustacea: Decapoda: Alpheidae) with notes on A. floridanus africanus. (nih.gov)
  • Crabs are decapod crustaceans of the infraorder Brachyura and are considered "true crabs", most of which are carcinized. (eurekalert.org)
  • Decapod crustaceans, shrimps, crabs, prawns and their allies are highly visible and important members of marine environments. (routledge.com)
  • It will serve not only as a useful tool for current and future carcinologists, but also as a long-lasting compendium of taxonomy in general and decapod crustaceans in particular. (routledge.com)
  • Most crustaceans are aquatic, living in either marine or freshwater environments, but a few groups have adapted to life on land, such as terrestrial crabs, terrestrial hermit crabs, and woodlice. (wikipedia.org)
  • Crustaceans, familiar to the average person as shrimp, lobsters, crabs, krill, barnacles, and their many relatives, are easily one of the most important and diverse groups of marine life forms. (andrewisles.com)
  • More than 7.9 million tons of crustaceans per year are harvested by fishery or farming for human consumption, consisting mostly of shrimp and prawns. (wikipedia.org)
  • Mantis shrimp are not the only crustaceans with a fast and deadly foreleg. (berkeley.edu)
  • For example, the process of neurosecretion was first formally demonstrated in the crustacean X-organ-sinus gland system, and the first fully characterized invertebrate neuropeptide was from a shrimp. (nih.gov)
  • It is a crustacean - a relative of modern day lobsters and shrimps - and it is less than half a millimetre long. (bbc.co.uk)
  • Atlas of crustacean larvae. (andrewisles.com)
  • First records of fossil sergestid decapods and fossil brachyuran crab larvae (Arthropoda, Crustacea) : with remarks on some supposed palaemonid fossils, from the Santana Formation (Aptian-Albian, NE Brazil). (amnh.org)
  • The crustacean group can be treated as a subphylum under the clade Mandibulata. (wikipedia.org)
  • Many terrestrial crustaceans (such as the Christmas Island red crab) mate seasonally and return to the sea to release the eggs. (wikipedia.org)
  • How does a crustacean become a crab? (eurekalert.org)
  • The crab shape has evolved so many times the evolutionary biologist L.A. Borradaile coined the term carcinization in 1916 to describe the convergent evolution process in which a crustacean evolves into a crab-like form from a non-crab-like form. (eurekalert.org)
  • Coolest crustacean crab bottle! (untappd.com)
  • Most crustaceans are free-living bottom feeders aquatic animals, but some are terrestrial (e.g. woodlice, sandhoppers), some are parasitic (e.g. (wikipedia.org)
  • She and he collaborators were especially interested in the prehistoric ancestors of certain aquatic crustaceans which reproduce using the above-mentioned unfeasibly enormous sperm. (theregister.com)
  • The widespread distribution of Crustacea across every aquatic ecological niche on Earth is enabled due to their exoskeleton's versatile properties. (nature.com)
  • Easily compare the different types of structures in a variety of small freshwater crustaceans with this convenient freshwater culture mix. (sargentwelch.com)
  • World list of Marine, Freshwater and Terrestrial Crustacea Isopoda. (marinespecies.org)
  • Expression and ecdysteroid responsiveness of the nuclear receptors HR3 and E75 in the crustacean Daphnia magna. (nih.gov)
  • HR3 and E75 cDNAs were cloned from the crustacean Daphnia magna. (nih.gov)
  • This is the first issue of ZooKeys devoted to taxonomy of the Crustacea, specifically crustaceans from the Southern Hemisphere, with contributions describing new taxa from Australia, New Caledonia, the Tasman Sea, Fiji, Madagascar and. (andrewisles.com)
  • The number and variety of appendages in different crustaceans may be partly responsible for the group's success. (wikipedia.org)
  • The unusually complete fossil bears all the distinguishing feeding appendages of a crustacean, including an extra antenna and a jaw. (bbc.co.uk)
  • His research interests, spanning 50 years, include the taxonomy and phylogeny of marine Crustacea, and the biodiversity and biogeography of marine communities. (routledge.com)
  • Advances in the taxonomy and biogeography of crustacea in the Southern Hemisphere. (andrewisles.com)
  • Zoological catalogue of Australia volume 19.3A Crustacea: Malacostraca: Phyllocarida, Hoplocarida, Eucarida (part one). (andrewisles.com)
  • We tested the hypothesis that crustaceans express the nuclear receptors HR3 (ortholog to vertebrate ROR) and E75 (ortholog to vertebrate rev-erb) in response to ecdysteroid signaling. (nih.gov)
  • Here, we review the basic biology of crustacean neuropeptides, discuss methodologies currently driving their discovery, provide an overview of the known families, and summarize recent data on their control of physiology and behavior. (nih.gov)
  • Mr. Pathak's paper outlines the methodologies for extracting chitin from crustacean shell waste, shedding light on recent advancements in the isolation of chitin nanomaterials, including Chitin Nanocrystals (ChNCs) and Chitin Nanofibers (ChNFs) derived from purified chitin. (ait.ac.th)
  • The secret life of lobsters: how fishermen and scientists are unraveling the mysteries of our favorite crustacean. (andrewisles.com)
  • Squat lobsters have been intensively studied over the past few decades, making them one of the best known deepwater crustacean groups. (andrewisles.com)
  • Chemoreceptors of crustaceans: similarities to receptors for neuroactive substances in internal tissues. (nih.gov)
  • Like other arthropods, crustaceans have an exoskeleton, which they moult to grow. (wikipedia.org)
  • The crustacean body is protected by the hard exoskeleton, which must be moulted for the animal to grow. (wikipedia.org)
  • According to the fossil ostracod 3D internal particle-punisher photos, the old-time aqua-crustaceans perpetuated themselves using sperm every bit as enormous as the modern generation. (theregister.com)
  • The cellular mechanisms underlying this potentiation were investigated in single, isolated, fast-contracting abdominal extensor muscle fibers of a small crustacean, the marine isopod Idotea baltica. (jneurosci.org)
  • Phyllopodous limbs are among the most well-known features of Branchiopoda, but it is uncertain whether the phyllopodous nature of the limbs in itself can be considered a synapomorphy for this group, because the limbs of other crustaceans, both recent and fossil, also can be characterised as at least partly phyllopodous. (bioone.org)
  • The neuropeptide proctolin in nanomolar concentrations enhances the contraction of crustacean muscle fibers manyfold. (jneurosci.org)
  • Dr Williams and his colleagues David Siveter and Dieter Waloszek describe the crustacean in the journal Science. (bbc.co.uk)
  • Crustacean neuropeptides: structures, functions and comparative aspects. (nih.gov)
  • Jyotirmoy has recently co-authored a significant paper entitled " Crustacean Shell Waste-Derived Chitin and Chitin Nanomaterials for Applications in Agriculture, Food, and Health - A Comprehensive Review ," which has been published in the prestigious Carbohydrate Polymer Technologies and Applications journal (Impact Factor: 5.5). (ait.ac.th)
  • Journal of Crustacean Biology , 1, 241-250. (mapress.com)
  • Journal of Crustacean Biology , 3, 482-490. (mapress.com)
  • Contributions to the mysid Crustacea from the Peru-Chile Trench (Pacific Ocean). (marinespecies.org)
  • She and her fellow jumbo-jizz experts had thought that perhaps the crustacean colosso-spunk phenomenon was of recent origin, with the ostracods soon to become extinct under the crippling strain of their insanely demanding sex lives. (theregister.com)
  • Though crustaceans are oftentimes small creatures, remember that they are valued residents to the unique and fragile ecosystems in which they live. (nps.gov)
  • Certain crustaceans are also indicators to scientists for signs of pollution and other types of ecosystem damage. (nps.gov)
  • Aspects of the evolution of the branchiopod crustaceans are reviewed and discussed. (bioone.org)
  • It is now well accepted that the hexapods (insects and entognathans) emerged deep in the Crustacean group, with the completed group referred to as Pancrustacea. (wikipedia.org)
  • This crustacean group lives only around deep-sea hydrothermal vents in the central Atlantic or eastern Pacific Oceans. (savethehighseas.org)
  • The scientific study of crustaceans is known as carcinology (alternatively, malacostracology, crustaceology or crustalogy), and a scientist who works in carcinology is a carcinologist. (wikipedia.org)
  • Of the superfamilies Chirostyloidea and Galatheoidea, they are highly visible crustaceans on seamounts. (andrewisles.com)
  • The crustacean processing industry generates a considerable annual volume of shell waste, amounting to millions of tons, with the majority unfortunately ending up as environmental pollutants. (ait.ac.th)
  • Click on any of the links below to learn more about the specific crustaceans that can most often be seen at the National Seashore. (nps.gov)