Hebius modestus
Habitat
Forest, 600–1,500m
Range
Asia: India (Khasi Hills, Meghalaya, Mizoram, Arunachal Pradesh), Myanmar and Yunnan
Size
Up to about 60cm; tail 18cm
The modest keelback, or Günther's keelback, is a natricine snake endemic to Asia. The type locality is the Khasi Hills, India, and in India the species is found in forests at altitudes of 600–1,500 m. Adults may attain about 60 cm, with a tail of 18 cm (Wikipedia, general species account).
The back is dark greyish-brown to olive-brown, scattered with black spots or blotches, with a series of ochre-yellow, orange-brown or reddish-brown stripes, often reduced to elongate blotches, running from the nape to the tail base.