You can mark you interesting snippets of text that will be available through a unique link in your browser.


crustacean louse

crustacean louse

plural  Crustacean Lice,  

      any of various small aquatic invertebrates of the subphylum Crustacea (phylum Arthropoda) that are parasites of fish. Crustacean lice include fish lice (subclass Branchiura), copepod fish parasites (subclass Copepoda), and amphipod and isopod fish parasites (class Malacostraca). Of the latter, the family Cymothoidae (order Isopoda) is of special interest, as it is exclusively parasitic and infests both marine and freshwater fishes. Crustacean lice may live on the outer skin of the fish, under the bony covering protecting the gills, in the mouth cavity, and even within the host's abdominal cavity in some South American freshwater species. The main adaptation of the cymothoids is the development of powerful thoracic claws (claw) for secure attachment. These claws are so efficient that the parasites occasionally turn up in tinned fish products, having survived the canning process.

* * *


Universalium. 2010.

  
Share  

Look at other dictionaries:

  • Crustacean larvae — Larval and adult prawns Nauplius larva Adult Penaeus monodon …   Wikipedia

  • Louse (disambiguation) — A louse is a wingless insect.Louse may also refer to:* Gill louse, a genus of copepod crustaceans * Sea louse, a copepod * Stone louse, a fictitious animal * Whale louse, a parasitic crustaceanee also* Laos * Mouse (disambiguation) …   Wikipedia

  • fish louse — any of numerous small crustaceans, esp. certain copepods, parasitic on the skin and gills of fish. * * * ▪ crustacean also called  Carp Louse,  plural  Fish Lice, or Carp Lice,         any member of the crustacean subclass Branchiura, a group of… …   Universalium

  • Lobster louse — Lobster Lob ster, n. [AS. loppestre, lopystre prob., corrupted fr. L. locusta a marine shellfish, a kind of lobster, a locust. Cf. {Locust}.] (Zo[ o]l.) 1. Any large macrurous crustacean used as food, esp. those of the genus {Homarus}; as the… …   The Collaborative International Dictionary of English

  • wood louse — noun Date: 1611 a terrestrial isopod crustacean (suborder Oniscoidea) with a flattened elliptical body often capable of being rolled into a ball called also pill bug, sow bug …   New Collegiate Dictionary

  • Gill louse — Taxobox name = Ergasilus regnum = Animalia phylum = Arthropoda subphylum = Crustacea classis = Maxillopoda subclassis = Copepoda superordo = Podoplea ordo = Poecilostomatoida familia = Ergasilidae genus = Ergasilus genus authority = Nordmann,… …   Wikipedia

  • fish louse — any crustacean parasitic on fishes. Usually refers to Argulus (Branchiura) found on the skin and occasionally the buccal cavity. Causes ulcers at the attachment point …   Dictionary of ichthyology

  • fish-louse — any crustacean parasitic on fishes. Usually refers to Argulus (Branchiura) found on the skin and occasionally the buccal cavity. Causes ulcers at the attachment point …   Dictionary of ichthyology

  • The Trials of Life — Infobox nature documentary bgcolour = show name = The Trials of Life caption = Trials of Life DVD cover picture format = 4:3 audio format = Stereo runtime = 50 minutes creator = developer = producer = executive producer = Peter Jones presented =… …   Wikipedia

  • Infectious salmon anemia — Taxobox name = Orthomyxoviridae virus group = v familia = Orthomyxoviridae subdivision ranks = Genera subdivision = Influenzavirus A Influenzavirus B Influenzavirus C Isavirus ThogotovirusInfectious salmon anemia or anaemia (ISA) is a viral… …   Wikipedia