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Definition of Hydrophidae
1. Noun. Sea snakes.
Exact synonyms: Family Hydrophidae
Generic synonyms: Reptile Family
Group relationships: Ophidia, Serpentes, Suborder Ophidia, Suborder Serpentes
Member holonyms: Sea Snake
Generic synonyms: Reptile Family
Group relationships: Ophidia, Serpentes, Suborder Ophidia, Suborder Serpentes
Member holonyms: Sea Snake
Medical Definition of Hydrophidae
1. A family of sea snakes comprising about 50 species with flattened oar-like tails used as sculls. They are found mostly in the coastal waters of south asia and Australia. The largest reach a length of almost 9 feet but most species are only about a third as long. They are all venomous. (goin, goin, and zug, introduction to herpetology, 3d ed, pp331-3; moore: poisonous snakes of the world, 1980, p159) (12 Dec 1998)