Assertion: copepod's eye | /r/ObjectUse | used in swimming fish louse
Facets:
Source sentences:
text: : crustacean more specific terms : britt / brit = minute crustaceans forming food for right whales water flea / cyclops = minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming fish louse = a kind of copepod