• Cnidaria (formerly Coelenterata) is a phylum of aquatic invertebrates responsible for more envenomations than any other marine phylum. (medscape.com)
  • During the winter, spring and early summer they live in temporary swamps, feeding on aquatic invertebrates. (theconversation.com)
  • Unlike other duck breeds that dive when foraging, American black ducks tip downwards and forage invertebrates, aquatic plants, and small fish. (thehipchick.com)
  • However, for the short-term acute aquatic toxicity endpoints the testing on algae, invertebrates and fish was carried out on Technical Grade. (europa.eu)
  • Crawfish prefer aquatic invertebrates but will feed on detritus and growing vegetation. (msucares.com)
  • They are semi-aggressive and require adequate space between themselves and other corals and sessile invertebrates. (liveaquaria.com)
  • This species has rapid growth compared to other sessile invertebrates in the study area, high fecundity, and continuous reproduction-all characteristics of an r-selected life history. (awi.de)
  • Report describes effects of uncontrolled mine drainage on Chinook salmon, steelhead, resident fish populations and benthic invertebrates in Panther Creek, Idaho, Adverse effects to the stream ecology were attributed to copper and cobalt. (researchgate.net)
  • In a Western management context, periodic closures have been used for benthic invertebrates such as trochus, scallops, urchins, lobster, coral and abalone. (blueventures.org)
  • This article aims to provide a comprehensive overview of the various invertebrate taxa that are commonly found in the fossil record, from protists to arthropods. (wikipedia.org)
  • There are no endemic taxa and no shoreline invertebrates other than the supralittoral Archisotoma brucei (Collembola) and two Enchytraeidae. (bas.ac.uk)
  • I code character states for taxa including 60 thyriothecial species and then estimate ancestral character states using the Bayesian posterior distribution of topologies from my dataset to account for phylogenetic uncertainty. (ubc.ca)
  • Some photosynthetic dinoflagellate species live as endosymbionts in marine invertebrates such as sponges and corals 8. . (kenyon.edu)
  • Among the world's beetle species are hundreds of "living jewels," insects with stunning jewel-like colors or shining golden armor. (carnegiemnh.org)
  • Suites of different species of insects characterise spring, summer and autumn, whilst many over-winter as eggs or cocoons on twigs. (buglife.org.uk)
  • walking stick or stick insect, names applied to extremely longbodied, slow-moving, herbivorous insects , forming a single family in the order Phasmatodea. (infoplease.com)
  • This new species has rake-like claws and a pineapple-slice-shaped mouth at the front of an enormous head, and it sheds light on the diversity of the earliest relatives of insects, crabs, spiders and their kin. (utoronto.ca)
  • The sheer abundance of this animal is extraordinary," said Caron, who is also the Richard M. Ivey Curator of Invertebrate Palaeontology at the ROM and leader of the field expeditions that unearthed the new fossils. (utoronto.ca)
  • Taxonomy of commonly fossilised invertebrates is a complex and evolving field that combines both traditional and modern paleozoological terminology. (wikipedia.org)
  • The taxonomy presented here is not intended to be exhaustive but focuses on invertebrates that are either popularly collected as fossils or are extinct. (wikipedia.org)
  • The taxonomy of the various species is in a state of flux and will probably continue to change. (liveaquaria.com)
  • Originally placed in Melania by late 19th century authors, species have subsequently been dispersed into four different genera, i.e. (bioone.org)
  • Note: According to Irvine (2003: Table 4) , two genera and two species of sponge are known in Lake Malawi. (malawicichlids.com)
  • By 1883 the term Cyprinodontidae was in general use for 30 genera and 130 species, as reflected in the work of Jordan and Gilbert. (encyclopedia.com)
  • I calculated the 'range extent' (maximum geographical distance) recorded for 2324 species world-wide and 341 species from the Pacific Northwest, representing 12 genera. (ubc.ca)
  • 2022). Many bees, either at species or individual level, show clear preferences for pollen from certain plant species or genera: at the species level for solitary bees (Persson et al. (lu.se)
  • The surprising result was that these crystals, found in hundreds of species of weevils, all derive from a single ancestral origin. (carnegiemnh.org)
  • The paleobiologic systematics that follow are not intended to be comprehensive, rather encompass invertebrates that (a) are popularly collected as fossils and/or (b) extinct. (wikipedia.org)
  • However, invertebrates known to occur in lakeside swamps ("dambos") are included, based on the documented regular occurrence in Lake Malawi proper of " floating islands " of vegetation from such swamps ( Oliver & McKaye, 1982) which likely transport these organisms into the open lake where they may temporarily survive. (malawicichlids.com)
  • I hope to add further organisms as I become aware of them, and expect to add more links to photos, species pages, and other Web resources about these little-known animals that are so important in the lake's ecology. (malawicichlids.com)
  • Dinoflagellates consume other planktonic species, as well as provide a food source for marine filter-feeding organisms such as fish, whale sharks, and baleen whales. (kenyon.edu)
  • These communities provide a refuge from predators, nursery habitat for juvenile species, and a food source for organisms inhabiting the seagrass beds. (nova.edu)
  • The major threats to this species have been land clearing, swamp drainage and predation by the introduced Red Fox. (theconversation.com)
  • If an invertebrate animal is mentioned below using its common (vernacular) name, it is an extant (living) taxon, but if it is cited by its scientific genus, then it is typically an extinct invertebrate known only from the fossil record. (wikipedia.org)
  • Hydroids are typically the first invertebrates to recruit to substrata in the Arctic but are easily overgrown. (awi.de)
  • Cestode infection is typically foodborne or acquired by accidental ingestion of invertebrate hosts. (msdmanuals.com)
  • Cestode infection spreads when eggs laid by adult tapeworms in the intestines of definitive hosts are excreted with feces into the environment and ingested by an intermediate host (typically another species). (msdmanuals.com)
  • I compared the morphology within and among DNA-delimited species, according to morphological character state data that Woo had recorded for each of specimen. (ubc.ca)
  • My multivariate analysis showed that the centroids of morphological characters usually differed significantly between pairs of genetically defined species, indicating evolutionary divergence at the level of morphology. (ubc.ca)
  • Of the delimited species, nine had been collected ten or more times each and were, based on morphology and sequence analysis, undescribed and restricted to North America. (ubc.ca)
  • The project includes fieldwork, some level of invertebrate species identification (either through morphology or with the use of molecular methods) as well as an opportunity to investigate the level of parasite the caught vectors are carrying using molecular methods. (lu.se)
  • Special notations are used to highlight invertebrate groups that are important as fossils, very abundant in the fossil record, or have a large proportion of extinct species. (wikipedia.org)
  • Although many polar species follow this strategy, the numerically most abundant species tend to have more r-strategist life-history characteristics. (awi.de)
  • We investigated direct and indirect effects of climatic and biotic parameters on the individual (body condition) and population level (occupancy) of eight abundant lizard species with different functional traits in an arid Australian lizard community using a 30‐yr multi‐trophic monitoring study. (ufz.de)
  • While direct relations among climatic conditions, invertebrates, vegetation, or reptiles have already been explored, to our knowledge, species' responses to direct and indirect pathways of multiple climatic and biotic factors and their interactions have rarely been examined comprehensively. (ufz.de)
  • However, there is interesting work being done with hair traps or pollen and invertebrate traps in terrestrial environments. (genomebc.ca)
  • A single adult starfish can consume approximately 10 m 2 of coral per year and large "outbreak" populations have a major impact on local cover [ 3 ] that can persist for more than a decade [ 4 ]. (hindawi.com)
  • Unique to this species, adult males have many papillae (tubercles) under their chins. (a-z-animals.com)
  • Furthermore, other snakes help control the insect and invertebrate populations in cities. (a-z-animals.com)
  • The six discovered species include a hairy-chested "Hoff" crab, 2 species of snail, a species of limpet, a species of scaleworm and another species of deep sea worm. (sfbaymsi.org)
  • It remains unclear how goats understand the facial communication of another species, but this test provided the first evidence that they are capable of doing so. (listverse.com)
  • Includes original data on sediment chemistry and toxicity testing with a benthic invertebrate, the amphipod Hyalella azteca. (researchgate.net)
  • Ancient and species-rich hedgerows are important invertebrate habitats in their own right, often providing the most significant wildlife habitat over large stretches of lowland UK. (buglife.org.uk)
  • Dr. Ainsley Seago (pictured with Vespula germanica , one of Australia's many, many invasive species). (carnegiemnh.org)
  • A single scoop of water from a stream can show if there are at-risk, invasive or culturally and economically important animal species. (genomebc.ca)
  • I think that Kerry Clark collected Ercolania fuscovittata a single time in Florida, so I wouldn't exactly call it invasive. (seaslugforum.net)
  • In the species-rich Phylum Arthropoda, the mitochondrial genome is relatively well conserved both in terms of number and order of genes. (bvsalud.org)
  • To date, I have not learned the identity of the putative second genus and species. (malawicichlids.com)
  • Identification to the genus and species level is crucial for tailored treatments, especially in cases of chronic diarrhea ( 2 ). (cdc.gov)
  • In this project you will look closer into if and how bee species, such as Osmia bicornis (Red mason bee) and Bombus terrestris (Buff-taled bumblebee) optimise nutritional content of its pollen collection over time, and if this is restricted by the quality of the floral resources in the surrounding farmland landscape. (lu.se)
  • What does species-appropriate nutrition mean for characins, barbels, livebearing toothcarps such as guppies and mollies, labyrinth fish and killifish? (jbl.de)
  • Its primary prey species include squid, fish, and other invertebrates. (alaska.gov)
  • Browse through around 1000 products for feeding your ornamental fish, for species-appropriate aquarium maintenance, reliable aquarium technology and handy aquarium accessories. (jbl.de)
  • Tetrodotoxin is a heat-stable and acid-stable, nonprotein, alkaloid toxin found in many species of the fish family Tetraodontidae (puffer fish) as well as in certain gobies, amphibians, invertebrates, and the blue-ringed octopus ( 2 ). (cdc.gov)
  • Three species of squid ( Loligo plei , L. sanpaulensis and Lolliguncula brevis ) and 12 species of fish were attracted by the night- lights. (bvsalud.org)
  • We also found that environmental variables collectively explained up to 67% of the variation in species assemblages, with elevation, organic content, water content, and sediment type individually explaining up to 56%, 30%, 42%, and 33% of the variation, respectively. (bioone.org)
  • Such complexes are induced in a wide range of species following exposure to toxic organic substances, such as alkaloids, phenolics, terpenoids, and quinones. (encyclopedia.com)
  • Epibenthic macroinvertebrate species assemblages and diversity differed significantly between wave-exposed and wave-protected sites, with higher diversity present at protected sites. (bioone.org)
  • Use of herbicides, pesticides and fertilisers right up to the bases of hedgerows leading to nutrient enrichment and a decline in species diversity. (buglife.org.uk)
  • The diversity of species decreases gradually from the tree line to the permanent ice caps farther north. (hww.ca)
  • However, reptiles are not isolated systems but part of a large species assemblage with many trophic dependencies. (ufz.de)
  • Elizabeth N. Eddy and Charles T. Roman "Relationship Between Epibenthic Invertebrate Species Assemblages and Environmental Variables in Boston Harbor's Intertidal Habitat," Northeastern Naturalist 23(1), 45-66, (1 March 2016). (bioone.org)
  • In this context, most closures are used to manage multi-species reef assemblages, though there is little empirical support for doing so. (blueventures.org)
  • A complex of three new blind species of the genus Cormocephalus Newport, 1844, is described from the subterranean fauna of the central Pilbara region of Western Australia. (bioone.org)
  • They are distributed into 11 distinct phylogenetic groups, with groups 1 and 2 comprising genotypes with zoonotic potential that infect humans and various mammalian and avian species ( 2 ). (cdc.gov)
  • A few species are found in freshwater environments, however 90% of dinoflagellate species are marine. (kenyon.edu)
  • Invertebrates in polar and deep-sea environments that have complex life histories are exposed to unique environmental conditions that may favor non-pelagic development and K-strategist reproduction. (awi.de)
  • poriferans - today mostly siliceous - half of all documented species of Porifera are fossils and extinct. (wikipedia.org)
  • In total over 36,000 vertebrate fossils (including mammoths , mastodons , ground sloths , horses , camels and deer ), more than 100 species of fossil invertebrates and over 100 species of fossil plants were found in sediments deposited by an alpine lake during the last interglacial period . (wikipedia.org)
  • Paleontologists at the University of Toronto and the Royal Ontario Museum have uncovered fossils of a large new predatory species in half-a-billion-year-old rocks from Kootenay National Park in the Canadian Rockies. (utoronto.ca)
  • Based on more than 100 exceptionally well-preserved fossils now housed at the ROM, researchers were able to reconstruct Cambroraster in unprecedented detail, revealing characteristics that had not been seen before in related species. (utoronto.ca)
  • In Chapters 3, 4 and 5, I describe new species of Cretaceous scutellum fossils. (ubc.ca)
  • Our findings highlight the importance of indirect pathways through climatic and biotic interactions, which should be included into predictive models to increase accuracy when predicting species' responses to climate change. (ufz.de)
  • Given anticipated climate-change impacts such as sea-level rise and ocean warming, and other stressors associated with the urban environment, the critical ecosystem functions (i.e., species habitat, food-web support) provided by this dominant mixed-coarse habitat of Boston Harbor, and elsewhere throughout the Northeast, have been and will likely be further altered. (bioone.org)
  • Too frequent and badly timed cutting leading to poor habitat conditions, the development of gaps and probable species changes. (buglife.org.uk)
  • Over-management of hedgerows is one of the biggest problems facing species that live in this habitat type. (buglife.org.uk)
  • Attention should be given to creating a well-structured hedge with a variety of habitat niches for a wide range of invertebrate species. (buglife.org.uk)
  • We used structural equation modeling to disentangle single and interactive effects. (ufz.de)
  • Hedgerows adjacent to roads, green lanes, tracks and wooded ground tend to be particularly species-rich. (buglife.org.uk)
  • This benefits the P. fusiformis species as a whole, because the dinoflagellates tend to exist in groups. (kenyon.edu)
  • the host cichlid species inhabits both the lake and the river, and this trematode may be found in L. Malawi proper in the future. (malawicichlids.com)
  • It is an oasis in a harsh desert, home to species found nowhere else. (nps.gov)
  • If she responds at the right interval, he knows he's found a female of his own species and zeroes in, sending more flashes. (nationalgeographic.com)
  • Over the past few summers we found hundreds of specimens, sometimes with dozens of individuals covering single rock slabs. (utoronto.ca)
  • We found that lizard species differed strongly in how they responded to climatic and biotic factors. (ufz.de)
  • By permutation of the data, I showed that this pattern vanished if geographical coordinates were randomized with respect to species suggesting the pattern I found in the data was not due to random sampling. (ubc.ca)
  • Juvenile L. plei and L. sanpaulensis were found to mix in a single school. (bvsalud.org)
  • Originally it was known only from a single specimen collected in 1839 from an unknown location in Western Australia. (theconversation.com)
  • The most identified species of Microsporidia in humans are Enterocytozoon bieneusi and Encephalitozoon intestinalis , which have emerged as opportunistic pathogens in immunosuppressed persons, such as those infected with HIV, organ transplant recipients, and cancer patients. (cdc.gov)
  • The genus Borrelia currently contains 37 species of spirochetes, many of which cause diseases in humans and domestic animals ( Table ) ( 3 ) . (cdc.gov)
  • Because of the climate, permafrost and short summers, tree species such as birch and willow are ground cover-they grow horizontally, not upwards, in this biome. (hww.ca)
  • Freshwater mussels, most of which belong to families the order Unionoida, are not closely related to the marine species. (infoplease.com)
  • Hydrothermal vents were discovered in 1977 and since then more than 400 new animal species have been identified around the chimneys. (sfbaymsi.org)
  • Gonophores break away from the blastostyles in mature specimens and appear to have fertilization envelopes, suggesting that each gonophore is composed of a single oocyte and that embryological evelopment occurs in the water column. (awi.de)
  • Specifically in Stentor 's case, it has numerous small micronuclei that control reproduction and a single, giant, string-like macronucleus that manages its regular functions. (listverse.com)
  • Each ships as several individual mushrooms attached to several small rocks which are glued to a single rock. (liveaquaria.com)
  • The range of the black-footed albatross overlaps with two other albatross species: the short-tailed albatross and the Laysan albatross. (alaska.gov)
  • Controversially, these areas are well outside any likely historical range of this species. (theconversation.com)
  • Using a combination of bioinformatics methods that examined mitochondrial gene rearrangements in 464 species of arthropods from three subphyla (Chelicerata, Myriapoda, and Crustacea [except Hexapoda, previously analyzed]), we observed differences in the rate of rearrangement within major lineages. (bvsalud.org)
  • Critical interpretations of fossil fungi combined with phylogenies of living species have the potential to reveal patterns of character evolution and to inform estimates of the geological timing of fungal radiations. (ubc.ca)
  • The subterranean radiation in the Pilbara is more closely related to species from forests in the south-west of Western Australia than to congeners from the arid zone. (bioone.org)
  • Hedges which contain fewer woody species but a rich basal flora of herbaceous plants are also included here, as are recently planted species-rich hedges. (buglife.org.uk)