Mexican garter snake

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.

Subspecies
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