Cottonmouth (water moccasin) and water snakes, in addition to sea snakes, are two other common snakes that can live near or in water. Snakes can bite even when submerged, and the addition of the water moccasin to the United States’ already-lengthy list of venomous snakes heightens the danger.

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Can a water snake bite you under water?

The Question:Yes. When provoked underwater, snakes have been known to open their mouths and bite. Cottonmouth snakes, also known as water moccasins, prefer to rest on logs or tree limbs near the water’s edge, but they have been observed swimming underwater to catch prey.

How long can a water snake stay underwater?

By swimming across a lake or diving below the surface, northern water snakes can often avoid predators by clinging to vegetation or logs. They can stay submerged for up to an hour and a half, but they are usually only submerged for a few minutes.

Do poisonous snakes swim on top of the water?

Poisonous water snakes, however, can float when they stop swimming. Non-venomous snakes, on the other hand, sink to the bottom of the water when they are stationary. Only the top of their heads can be seen above the surface of the water.

Can all snakes swim underwater?

All snakes can swim, according to University of Georgia Professor of Vertebrate Ecology John Maerz, who spoke to Reuters about the subject.

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