Biology:Mexican garter snake

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Short description: Species of snake

Mexican garter snake
Thamnophis eques.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Thamnophis
T. eques
Binomial name
Thamnophis eques
(Reuss, 1834)

The Mexican garter snake (Thamnophis eques) is a species of snake of the family Colubridae. It is found in Mexico and in the United States (Arizona and New Mexico). This essentially harmless snake is semi-aquatic and most of the 10 recognized subspecies are restricted to lake basins in Mexico.[2]


Ten subspecies are known:

  • Mexican garter snake, T. e. eques (Reuss, 1834)
  • Laguna Totolcingo garter snake, T. e. carmenensis Conant, 2003
  • T. e. cuitzeoensis Conant, 2003
  • T. e. diluvialis Conant, 2003
  • T. e. insperatus Conant, 2003
  • northern Mexican garter snake, T. e. megalops (Kennicott, 1860)
  • T. e. obscurus Conant, 2003
  • T. e. patzcuaroensis Conant, 2003
  • T. e. scotti Conant, 2003
  • T. e. virgatenuis Conant, 1963


  1. Hammerson, G.A.; Vazquez Díaz, J.; Quintero Díaz, G.E. (2007). "Thamnophis eques". The IUCN Red List of Threatened Species 2007: e.T63977A12732882. doi:10.2305/IUCN.UK.2007.RLTS.T63977A12732882.en. Retrieved 9 December 2017. 
  2. Conant, R. (2003). "Observations on garter snakes of the Thamnophis eques complex in the lakes of Mexico's transvolcanic belt, with descriptions of new taxa". American Museum Novitates (3406): 1–64. doi:10.1206/0003-0082(2003)406<0001:OOGSOT>2.0.CO;2. 

Wikidata ☰ Q1535303 entry