Cottonmouths, also called water moccasins, are venomous snakes found in the southeastern United States. They're called cottonmouths because of the white coloration on the inside of their mouths, which they display when threatened. 

Cottonmouths are semiaquatic, so they're comfortable both swimming in water and basking on land. They are the only venomous snake in the U.S. that spends a lot of time in the water. Other local names for cottonmouths include black moccasins, gapers, mangrove rattlers, snap jaws, stub-tail snakes, swamp lions, trap jaws, water mambas and water pilots.

Cottonmouths are pit vipers, as are copperheads and rattlesnakes. They have heat-sensing facial pits between their eyes and nostrils that are able to detect minute differences in temperature so that the snake can accurately strike the source of heat, which is often potential prey.

Cottonmouth venom is mainly composed of hemotoxins that break down blood cells, preventing the blood from clotting or coagulating.

11 x 5 x 11 inches

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