распространение

Snake diversity of the Aralo-Caspian basin includes 61 species in 8 families and is composed by local faunas of the Northern Caspian depression, Greater Caucasus and Ciscaucasia, Lesser Caucasus and Transcaucasia, Alborz and Turkmeno-Khorasanian mountains, Aralo-Caspian isthmus, deserts and mountains of the Middle Asia and plains of the Aral Sea region. Regions with richest snake diversity are Alborz, Turkmeno-Khorasanian mountains and Transcaucasia.

Data on the distribution of the common smooth snake in Dagestan are presented. The map with the locations of the smooth snake includes 103 locations of the species. The issues of biotopic confinement and ecology of the species in the region are discussed.