Dusky salamanders are lungless salamanders that have olive, gray or reddish-brown coloring. Their hind legs are larger than the front ones, and they possess 14 grooves on the body and legs.

Dusky salamanders belong to a category of salamanders that breathe through their skins. They also have a groove that extends from the nose to the upper lip to help them smell prey and find mates. The males are usually longer than the females. They live in parts of the United States and Canada, dwelling in moist woodlands and rocky areas. Their diet consists of a variety of creatures, including worms, spiders, flies and younger dusky salamanders. Their predators include raccoons, birds, skunks, snakes and other salamanders.