Eastern United States, Eastern Canada and Chihuahua, Mexico; as far west as central Texas, Wisconsin, and southern Ontario.
Can be found in bodies of water that are permanent year round and have soft river beds and slow currents. Also have been spotted on vegetation hanging over water. Hides under rocks, logs, and in rodent holes. Diet usually consists of aquatic invertebrates but can also include fish, plants, and amphibian larvae.
Carapace is either brown or black; usually displays black markings occurring in random patterns. Patterns most visible on small turtles. Plastron typically displays yellow or brown scutes and white or yellow skin. Rest of skin usually gray or black; may display yellowish markings. Maximum carapace length is 137 mm (5.5 inches).
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians