Nguyenvansang's snake

Nguyenvansang's snake (Colubroelaps nguyenvansangi ) is a species of snake in the family Colubridae. The species is endemic to Vietnam.

Etymology
The specific name, nguyenvansangi, is in honor of Vietnamese herpetologist Nguyen Van Sang.

Taxonomy
As of 2019, the genus Colubroelaps is monotypic, containing the sole species C. nguyenvansangi.

Geographic range
C. nguyenvansangi is found in southern Vietnam, in Bình Phước Province and Lâm Đồng Province.

Description
C. nguyenvansangi may attain a total length of 50 cm, which includes a tail about 11 cm long. The head is small, roundish, and short, and is not distinct from the body. The body is very slender. The dorsal scales are in 15 rows at midbody. Dorsally, it is striped with brown and black. Ventrally, in striking contrast, it is uniform white.