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Fish
Large category that can include any member of the classes Cephalochordata (lancelets), Agnatha (hagfish and lampreys), Elasmobranchii (sharks and rays), Holocephali (ghost sharks), Osteichthyes (bony fish), Gastropoda (gastropods), Pelecypoda (bivalves), Cephalopoda (cephalopods), and Crustacea (crustaceans).
Industry: Animals
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Euphausiid
Animals; Fish
Small, plentiful, shrimp-like, luminescent crustaceans that live in the open ocean. They are about 1 inch (2.5 cm) long. They form an important element in marine plankton.