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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).

Contributors in Fish


fish oil

Animals; Fish

Fish oil is oil derived from the fat of fish such as salmon and trout. It's rich in omega-3 fatty acids, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA). Fish oil is thought to have many ...

man-eating monster fish

Animals; Fish

A giant tiger fish caught by British angler Jeremy Wade in the Congo river of Arica. The 5ft long (1.5 meter) animal is known to attack people and other large preys such as the crocodile. Its ...


Animals; Fish

a squid, esp. of the genus Loligo.


Animals; Fish

a large, active shark which is found chiefly in the open seas of the North Atlantic and in the Mediterranean. Also called mackerel shark

black crappie

Animals; Fish

The black crappie has two closely joined dorsal fins. Black crappie are silver-olive with numerous black or green splotches on the sides. Vertical bars, prominent in the young, are absent in adults. ...


Animals; Fish

Maybe Stonefish would never win a beauty contest, but it would definitely win the top prize for being “The World Most Venomous Fish”. Its venom causes such a severe pain that the victims of its sting ...

Puffer Fish

Animals; Fish

Puffer fish are the second most poisonous vertebrate on earth (the first one is golden dart frog). The meat of some species is a delicacy in both Japan (as fugu) and Korea (as bok-uh) but the problem ...

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