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Home > Snakes > Cottonmouth


The Cottonmouth is the only semi-aquatic pit viper in the world and is a great swimmer, even entering the sea. Found in parts of the USA, these highly venomous reptiles would stand on the ground, displaying its fangs, if threatened.

    Kingdom Animalia
    Phylum Chordata
    Class Reptilia
    Order Squamata
    Suborder Serpentes
    Family Viperidae
    Subfamily Crotalinae
    Genus Agkistrodon
    Scientific Name Agkistrodon piscivorus

    Other Names/Nicknames Black water viper, black snake, water pitviper, worm-tailed, pitviper, water copperhead, cotton-mouthed snake, mangrove rattler, moccasin snake, water moccasin, North American water viper, water rattlesnake, or simply ‘viper’
    Length More than 31 in
    Color Olive-brown, grayish-brown or black, belly part is white, yellowish-white or tan, marked with dark spots
    Distribution Southeastern United States
    Habitat Close to swamp areas or water bodies including lowland swamps, lakes, rivers, bayheads, sloughs, irrigation ditches, canals, rice fields and small, clear, rocky, mountain streams
    Diet Mostly fish and frogs, also mammals, birds, other amphibians, smaller snakes, small turtles and small alligators; cannibalism is also practiced
    Venom Fact Highly venomous
    Breeding Season Summer to monsoon
    Mode of Reproduction 1-20 live young
    IUCN Conservation Status LC

    Cottonmouth Pictures Gallery

    Published on January 3rd 2017 by under Snakes. Article was last reviewed on 13th June 2019.

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