:''"Poisonous snake" redirects here. For true poisonous snakes, see Rhabdophis.'' Venomous snakes are species of suborder Serpentes that are capable of producing venom which is used primarily for immobilizing prey and defense mostly via mechanical injection by fangs. Common venomous snakes include Families Elapidae, Viperidae, Atractaspididae and some of Colubridae.
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