Mexican Pacific Lowlands Garter Snake

Thamnophis validus (Kennicott, 1860)

Alternate Name West Coast Garter Snake
Spanish Name Culebra de Agua Nómada del Oeste Litoral
Max. Recorded Length 86.7 cm / 34.1 inches (SVL)
Range Baja California Sur, Colima, Guerrero, Jalisco, Michoacan, Nayarit, Sinaloa, Sonora
Pet Trade Availability ★☆☆☆ rarely available

Note: These species pages are in various stages of completion. Some are basically finished; others are very much under construction. Please be patient while I work on this section.



Cape Garter Snake
Thamnophis validus celaeno (Kennicott, 1860)
Found at the southern tip of Baja California.
Colima Garter Snake
Thamnophis validus isabelleae (Conant, 1953)
Isolated pockets along the Pacific coast in Jalisco, Colima, Michoacan and Guerrero.
Tepic Garter Snake
Thamnophis validus thamnophisoides (Conant, 1961)
Found only on the Rio San Cayetano drainage in Nayarit.
Pacific Garter Snake
Thamnophis validus validus (Kennicott, 1860)
Found along the Pacific coastline in Sonora, Sinaloa and northern Nayarit.


Captive Care

If you have experience with this species and would like to share, please contact me.

For general information on keeping garter snakes in captivity, please see the Care Guide.

Articles and News

No articles about the Mexican Pacific Lowlands Garter Snake have been published on yet.


Liner, Ernest A. 1994. Scientific and Common Names for the Amphibians and Reptiles of Mexico in English and Spanish. SSAR Herpetological Circular No. 23.

Rossman, Douglas A., Neil B. Ford and Richard A. Seigel. 1996. The Garter Snakes: Evolution and Ecology. Norman OK: University of Oklahoma Press.