Opisthotropis

Opisthotropis is a genus of snakes in the subfamily Natricinae of the family Colubridae. The genus is native to Southeast Asia and South China.

==Species== The genus Opisthotropis contains the following 25 species which are recognized as being valid, listed alphabetically by scientific name. Opisthotropis alcalai – Gary's mountain keelback Opisthotropis andersonii – Anderson's stream snake Opisthotropis atra Opisthotropis cheni Opisthotropis cucae (found in Kontum, Vietnam) – Cuc's mountain snake Opisthotropis daovantieni – Tien's mountain stream snake Opisthotropis durandi – Durand's mountain stream snake Opisthotropis guangxiensis – Guangxi mountain keelback Opisthotropis haihaensis – Hai Ha mountain stream keelback Opisthotropis hungtai – Hung-Ta Chang's mountain keelback Opisthotropis jacobi – Chapa mountain keelback Opisthotropis kikuzatoi – Kikuzato's brook snake Opisthotropis kuatunensis – Chinese mountain keelback Opisthotropis lateralis – Tonkin mountain keelback Opisthotropis latouchii – Sichuan mountain keelback Opisthotropis laui - Lau's mountain stream snake Opisthotropis maculosa – yellow-spotted mountain stream snake Opisthotropis maxwelli – Maxwell's mountain keelback Opisthotropis rugosa – Sumatran stream snake Opisthotropis shenzhenensis – Shenzhen mountain stream snake Opisthotropis spenceri Opisthotropis tamdaoensis Opisthotropis typica – olive mountain keelback Opisthotropis voquyi – Vo Quy's mountain stream keelback Opisthotropis zhaoermii – Zhao's mountain stream snake