The prehistoric looking alligator snapping turtle is one of the largest freshwater turtles. They are listed as vulnerable on the IUCN red list. Habitat destruction and game hunting are the main reasons for their decline.
Alligator snapping turtles are not aggressive predators They use their worm-like tongue to lure fish to their mouth. Then snap their powerful jaws.

Although these turtles don’t typically attack humans, they can be dangerous..With a bite force of 1,000 lbs their jaws can snap bones.