#copepod_crustacean__copepodcrustacean__copepod  minute marine or fresh-water crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish
  supertype:  #crustacean  any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
  part of:  #plankton
  member of:  #subclass_Copepoda
  subtype:  #brit__britt  minute crustaceans forming food for right whales
  subtype:  #cyclops__cyclop__water_flea__waterflea  minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
  subtype:  #fish_louse  a kind of copepod

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