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Common Snapping Turtle (Chelydra serpentina)
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Family: Chelydridae
Size: carapace 8 to 16 in.
Status: Common but declining
Description: The common snapping turtle is Wisconsin s largest and heaviest turtle species. Its carapace can vary from light brown to black in color and it has a saw-toothed back edge. The tail supports a row of jagged dorsal scales and is nearly as long as the carapace. The head has large jaws and a pointed snout with a prominent beak. Its long neck, powerful jaws and aggressive behavior have rightly earned the snapping turtle its name. The often yellowish-colored plastron is greatly reduced, leaving the limbs very exposed from the underside. Snapping turtles live in most aquatic habitats but prefer ponds, lakes and the backwaters of rivers. Both a predator and a scavenger, the snapper feeds on aquatic animals and plants. They consume almost any animal they can catch, although studies show that their reputation as a duckling predator has been greatly exaggerated. They also feed on slow-swimming, small fish, or fresh dead fish. Snapping turtles are important top-line predators in aquatic fod chains.
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