Checkered Garter Snake

Thamnophis marcianus (Baird and Girard, 1853)

Spanish Name(s)	Sochuate Sochuate de Marcy (T. m. marcianus) Sochuate de Yucatán (T. m. praeocularis)
U.S. Range	Arizona, California, Kansas, New Mexico, Oklahoma and Texas
Mexican Range	Campeche, Chiapas, Chihuahua, Coahuila, Nuevo Leon, Oaxaca, Quintana Roo, Sonora, Tabasco, Tamaulipas, Veracruz and Yucatan
Central American Range	Belize, Guatemala, Honduras and Nicaragua
Legal Status	Threatened in Kansas. Consult provincial or state pages for legal restrictions on keeping this species in captivity.
Diet	Very broad prey preferences with an observed preference for amphibians. Adapting to eat introduced bullfrog tadpoles in southeastern Arizona. Juveniles will eat earthworms. Easy to convert to mice in captivity.
Max. Recorded Length	108.8 cm
Pet Trade Availability	3 – Frequently available.
Captivity Rating	4 – Excellent captive.

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(No common name found) Thamnophis marcianus bovallii Dunn, 1940: Found in Nicaragua.
Northern (Marcy's) Checkered Garter Snake Thamnophis marcianus marcianus (Baird and Girard, 1853): Found in the United States and northern Mexico, with a relict population in Oaxaca and intergrades with praeocularis in Veracruz, Tabasco and Chiapas. This subspecies is found in the pet trade, where an albino form is popular.
Yucatan Checkered Garter Snake Thamnophis marcianus praeocularis (Bocourt, 1892): Found on the Yucatan Peninsula and in Belize, Guatemala and Honduras.