Growth and development of Argulus coregoni (Crustacea: Branchiura) on salmonid and cyprinid hosts. (1/7)
The obligate fish ectoparasite Argulus coregoni is strictly specific to salmonids and is very rarely found on other fish species. The ability of the parasite to grow and complete its life cycle on a cyprinid host, Rutilus rutilus, was compared with that on a typical salmonid host, Oncorhynchus mykiss. Rearing experiments were run for 42 d with newly hatched metanauplii in flow-through tanks. Body length and sex of the parasites were recorded every 5 d. Growth rates on O. mykiss exceeded those on R. rutilus from the age of 2 wk, at which time the parasites reached a length of about 3.5 mm. Males grew faster than females at the beginning of the experiment up to a length of 2.5 to 3.0 mm; thereafter, a faster growth rate was observed in females. In another experiment, association of parasites with the hosts was monitored and residence time defined as the period between attachment and first detachment from the host. Longer residence time was observed on O. mykiss than on R. rutilus; female parasites stayed on both fish species longer than did males. Faster growth of parasites could be associated with longer uninterrupted periods of attachment to hosts, since frequent detachment means higher energy losses and less time available for feeding. Despite its slower growth on R. rutilus, A. coregoni matured and laid egg clutches, but took 5 d longer than on O. mykiss. The potential of A. coregoni to complete its life cycle on cyprinids could have important ecological consequences, creating an infection reservoir when the main salmonid hosts are rare or temporarily missing. (+info)Efficacy of emamectin benzoate in the control of Argulus coregoni (Crustacea: Branchiura) on rainbow trout Oncorhynchus mykiss. (2/7)
Efficacy of in-feed treatment with emamectin benzoate (Slice) for the control of ectoparasitic Argulus coregoni on rainbow trout Oncorhynchus mykiss was tested under laboratory and field conditions. In both experiments fish were fed with fish feed to deliver a therapeutic dose of 0 (control) or 50 microg emamectin benzoate kg(-1) d(-1) (treatment) for a period of 7 d. After 3 d of challenge with A. coregoni in the laboratory, the infestation level in treated fish was lower than that observed in the controls (p < 0.001). Efficacy of 100% against newly hatched A. coregoni metanauplii and adults and 80% against juveniles was observed. In the field, trial medication was undertaken at 2 sections on a flow-through canal with 1 wk between treatments. Mean infestations of 100 to 200 A. coregoni per fish with 100% prevalence was recorded prior to medication. Following the treatment, the mean infestation of A. coregoni on fish declined to 31 lice per fish at Section A and 2.5 lice per fish at Section B. Then, after 28 d of treatment, the number of lice per fish was < 1 at Section A; in contrast the mean number of A. coregoni per fish at the control section was > 20. The prevalence of A. coregoni remained < 50% over a period of 72 d of treatment, but started to increase again thereafter. This suggests that emamectin benzoate concentration in fish remained at a level high enough to kill A. coregoni over a period of 9 wk. Emamectin benzoate was very effective in the control of A. coregoni infesting trout. (+info)Seasonal and vertical patterns of egg-laying by the freshwater fish louse Argulus foliaceus (Crustacea: Branchiura). (3/7)
Argulus foliaceus is a damaging fish ectoparasite for which new control measures are being developed based on egg-removal. In an attempt to develop further understanding of seasonal and vertical egg-laying patterns in this parasite, egg-laying activity was monitored over the period 14 April to 17 November 2003 in 2 rainbow trout Oncorhynchus mykiss fisheries in Northern Ireland, UK. At Site 1, egg-laying was continuous from 21 April to 17 November, when water temperature was above 8 to 10 degrees C. At Site 2, egg-laying was continuous from 4 June to 29 October. In the early months of the season, egg-laying was recorded mainly within the top 1 m of the water column; however, a significant shift to deep water egg-laying was recorded between 7 July and 17 November at Site 1 and between 20 August and 29 October at Site 2. Egg clutches were preferentially laid at depths of up to 8.5 m during this time (Site 2), a feature of egg-laying hitherto unappreciated. Temperature and dissolved oxygen did not differ significantly among depths, but there was an increase in water clarity over time. However, the precise environmental triggers for deep water egg-laying are still unclear. These new insights into the reproductive behaviour of this species will be useful in developing control methods based on egg-removal. (+info)Five ectoparasites from Turkish fish. (4/7)
Five ectoparasites were collected during the period of 2002-2005 from fish of Mediterranean Sea, Aegean Sea and inland waters of Turkey: Four crustaceans [Ergasilus mosulensis and Pennella instructa (Copepoda), Ceratothoa steindachneri (Isopoda) and Argulus foliaceus (Branchiura)] and one Annelida (Piscicola geometra) were found. The species, E. mosulensis, P. instructa and C. steindachneri have been reported for first time in Turkish waters, and A. foliaceus and P. geometra for the time from the Cavuscu Lake. (+info)Diel variation in egg-laying by the freshwater fish louse Argulus foliaceus (Crustacea: Branchiura). (5/7)
(+info)Control of freshwater fish louse Argulus coregoni: a step towards an integrated management strategy. (6/7)
(+info)Expanded description of Dolops bidentata (Bouvier, 1899) (Branchiura: Argulidae) based on specimens collected on Pygocentrus nattereri Kner, 1858 (Characiformes) from Pocone Wetland, MT, Brazil. (7/7)
(+info)
Folia Parasitologica: Differential host utilisation by different life history stages of the fish ectoparasite Argulus foliaceus...
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Argulus foliaceus
Arguloida)". Crustaceana. 80 (11): 1397-1401. doi:10.1163/156854007782605556. hdl:2066/36463. JSTOR 20107932. Boxshall, G. and ...
Sea louse
Branchiurans, family Argulidae, order Arguloida are known as fish lice and parasitize fish in freshwater. Crustaceans portal ...
Argulidae
The Argulidae are the only family in the order Arguloida (occasionally "Arguloidea"), although a second family, the ...
List of MeSH codes (B01)
... arguloida MeSH B01.500.131.365.150 - cladocera MeSH B01.500.131.365.150.200 - daphnia MeSH B01.500.131.365.160 - copepoda MeSH ...
Taxonomy of the animals (Hutchins et al., 2003)
Order Rhizocephala Order Thoracica Subclass Tantulocarida No order designations Subclass Branchiura Order Arguloida Subclass ...
List of arthropod orders
Order Harpacticoida Order Misophrioida Order Monstrilloida Order Mormonilloida Order Siphonostomatoida Order Arguloida (Carp ...
Sessilia
Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 54768325. Gikuha niadtong 2019-11-11 ...
Cephalobaenida
Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 september 2012 ...
Argulus foliaceus - Wikipedia
Code System Concept
University of Alberta Museums Search Site
Sessilia - Wikipedia
Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 54768325. Gikuha niadtong 2019-11-11 ...
Cephalobaenida - Wikipedia
DeCS
University of Alberta Museums Search Site
DeCS
Sessilia - Wikipedia
Maxillopoda - Wikipedia
Branchiura | Article about Branchiura by The Free Dictionary
TREE NUMBER DESCRIPTOR
Argulus - Wikipedia
MeSH Browser
Arguloida Preferred Term Term UI T466886. Date10/19/2001. LexicalTag NON. ThesaurusID NLM (2003). ... Arguloida Preferred Concept UI. M0402292. Registry Number. txid6839. Related Numbers. txid179104. txid6838. Scope Note. An ... Subclass of CRUSTACEA containing one order ARGULOIDA. They have sessile compound eyes and a shieldlike carapace.. Terms. ... Arguloida. Tree Number(s). B01.050.500.131.365.070. Unique ID. D033341. RDF Unique Identifier. http://id.nlm.nih.gov/mesh/ ...
MeSH Browser
Arguloida Preferred Term Term UI T466886. Date10/19/2001. LexicalTag NON. ThesaurusID NLM (2003). ... Arguloida Preferred Concept UI. M0402292. Registry Number. txid6839. Related Numbers. txid179104. txid6838. Scope Note. An ... Subclass of CRUSTACEA containing one order ARGULOIDA. They have sessile compound eyes and a shieldlike carapace.. Terms. ... Arguloida. Tree Number(s). B01.050.500.131.365.070. Unique ID. D033341. RDF Unique Identifier. http://id.nlm.nih.gov/mesh/ ...