It is endemic to the United States of America and found in two disjunct populations, one from Missouri to Oklahoma, and Arkansas, and another in south-central Texas.

[1][2] The western slimy salamander is typically black in color with white speckling.

Primarily nocturnal, it is commonly found under rocks, or other ground debris in moist, wooded areas.

Eggs are laid in damp protected locations.

They are a shy species of salamander and are not normally found in areas where humans frequent.