The Cottonmouth snake is related to the copperhead but more dangerous. Venom is highly toxic with severe tissue destruction. Bites are fairly frequent in the southern United States. Color dark or nearly black, especially in adult of the species. There is a clear difference in the appearance of adult cottonmouths and juvenile snakes of the species. Click on the images to see pictures of the adult and young cottonmouth (or water moccasin,) and their range.
Average length 3½ feet, maximum length 6 feet.

Adult snake picture: cottonmouth

Young snake: cottonmouth

Poisonous Snakes

Snake Repellent

Snake Trap

Our thanks and gratitude to Dr. Andrew Kouloulis, noted herpetologist, for permission to use his research and pictures provided on these pages. Information taken from Dr. Kouloulis' Poisonous Snake Chart. This chart is available for $15.00, plus S&H.

Snake Repellent

Snake Trap

Snakes

Cottonmouth Pictures Poisonous Snake Index Poisonous Snake Pictures

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cottonmouth snake

Snakes

Cottonmouths (Cotton Mouth Snake) Agkistrodon piscivorus

Poisonous Snakes

Snake Repellent

Snake Trap

Cottonmouths (Cotton Mouth Snake)
Agkistrodon piscivorus