Oligodon nagao

Oligodon nagao, the Nagao kukri snake, is a species of snakes in the family Colubridae. Specimens have been collected from Lang Son and Cao Bang in northern Vietnam, Guangxi Autonomous Region in southern People's Republic of China, and from Khammouane Province in central Laos PDR.

Description
It has 15 or 17 dorsal scale rows at its mid-body, a short tail which can be up to 107 mm and a body up to 680 mm in length.

Distribution
Vietnam, Laos, China.