About Thamnophis couchii (Kennicott, 1859)
Thamnophis couchii, commonly called Couch's garter snake, Sierra garter snake, or western aquatic garter snake, is a snake species belonging to the family Colubridae. This species is endemic to the western United States, specifically native to California and Oregon. Its preferred natural habitats are freshwater wetlands, as well as permanent or temporary bodies of water located within grassland, shrubland, and forest environments. Thamnophis couchii is viviparous.
