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; order Squamata, suborder Serpentes)

A family of marine descendants of the Elapidae, comprising venomous, front-fanged snakes that have valvular nostrils and salt-secreting glands in the head, long bodies (generally with small ventral scales), and laterally compressed tails. Most are ovoviviparous. They prey mainly on small fish. There are about 50 species, occurring in the Indian and Pacific Oceans.

Subjects: Zoology and Animal Sciences.

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