Will Water Moccasins Bite Underwater. To tell the difference between a water snake and a water moccasin, look for these signs: Head and neck shape: water moccasins have large, triangular heads and thin necks. Again, the water moccasin is a venomous snake whose bite can cause severe health problems in humans.
Snakes can open their mouths and bite if provoked underwater. CAUTION! — With practice, you can learn to tell the difference between watersnakes and Water Moccasins. Water snakes may float or swim at the surface of the water, and at times cottonmouths will swim underwater to capture fish.
Water snakes may float or swim at the surface of the water, and at times cottonmouths will swim underwater to capture fish.
As its Latin name (Agkistrodon piscivourous) implies, cottonmouths eat fish, and they can bite underwater.
Both types belong to the viper family of snakes. Water Moccasin Snake – Agkistrodon piscivorus Introduction. However, you can maintain a kit of first aid for snakebite in you home, for emergency situations.