Cottonmouth
Pictures

Cottonmouths are considered to be one of the few semi-aquatic venomous snakes in the world.

Cottonmouth swimming in water. The snake has a long, thick, muscular body measuring up to 6 feet in size.

The cottonmouth is characterized by a large, spade-shaped head, bright white mouths, and alternating bands of light and dark patterns.

Side view of a Cottonmouth snake, ready to strike. The snake has a large spade-shaped head.

Juvenile Cottonmouth Snake swimming in a pond. They have even stronger contrasting bands of colors.