Colorado Herpetological Society's

Guide to the Reptiles and Amphibians of Colorado

Lined Snake
(Tropidoclonion lineatum)

Family Colubridae

Photo from Hammerson, 1986.
Used with permission.

Last Updated on January 20, 2000.

Lined Snake (Tropidoclonion lineatum)
Description: Adults 12" to 21" in length. Color gray, with light gray, yellow, or orange stripe on back, and less defined pale stripe on sides. Underside whitish or yellow, with two rows of conspicuous black marks. Moderately slender body; keeled scales. Single anal plate. Elevation Range: Below 6000' in eastern Colorado. Subspecies in Colorado: Tropidoclonion lineatum lineatum