A long-bodied chiefly marine, elasmobranch fish with a cartilaginous skeleton, a prominent dorsal fin, and toothlike scales. Most sharks are predatory, although the largest kinds feed on plankton.
« Back to Glossary IndexA long-bodied chiefly marine, elasmobranch fish with a cartilaginous skeleton, a prominent dorsal fin, and toothlike scales. Most sharks are predatory, although the largest kinds feed on plankton.
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