Atractus trilineatus, commonly known as the three-lined ground snake, is a species of small burrowing snake in the family Colubridae. The species is native to South America.

Geographic range

A. trilineatus is found in northern South America, including the Caribbean island of Trinidad.

Diet

A. trilineatus is believed to prey upon soft-bodied insects and earthworms, as well as fish and tadpoles.

Reproduction

A. trilineatus is oviparous.