A southeastern waterdog with no conspicuous markings of any kind. The dorsum is slate-gray to dark brown or black with a few small pale spots. The throat is whitish with the central portion of belly being bluish white. Nests are unknown, but small specimens appear in the fall. The life span is greater than 10 years.
This species is found in the Piedmont from southeastern Virginia to south-central Georgia. This species is generally found in slower parts of low gradient streams having mud or sand banks and bottoms. Juveniles burrow in the silty bottoms of streams. In the winter, adults congregate in leaf beds.
Food of the waterdog includes aquatic insects and crustaceans.