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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


sea horse

Animals; Fish

Any of various small marine fishes of the genus hippocampus and family syngnathidae, with a slender snout, upright posture, and prehensile tail,and a brood pouch in the male.

horn shark

Animals; Fish

The horn shark is a species of shark, which live in the coastal waters of the western coast of North America. They are not big; they length about 1 m. They are nocturne lonely predators, and they ...

whale shark

Animals; Fish

Whale shark is one of the biggest fishes that are still alive. They are filter feeding sharks: they feed on plankton. Whale sharks live in tropical waters since 60 millions of years ago. Their ...

Megamouth shark

Animals; Fish

The megamouth shark is a deepwater shark discovered in 1976. It is a filter feeder (feeds on plankton and jellyfish). Its name come from its characteristic head with rubbery lips and its big mouth ...


Animals; Fish

An anadromous European fish of the herring family,Alosa alosa.

basking shark

Animals; Fish

The basking shark is the second largest shark that lives in the waters of eastern North Pacific. Basking sharks got their name because they often basking near the surface of the water. Basking sharks ...

killer shrimp

Animals; Fish

The killer shrimp is also known as dikerogammarus villosus. It can grow up to 30 mm long and have traditionally inhabited the steppe region between the Black Sea and Caspian Sea. The killer shrimp is ...

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