Assam Keelback

The Assam keelback, commonly known as Peal's keelback, is a snake of the subfamily Natricinae endemic to north-east India. It was recently rediscovered in Arunachal Pradesh after 129 years. It may attain a total length of 50 cm, including a tail of 12.5 cm (Wikipedia, general species account).

It is dark brown above, with two light stripes on each side, a narrow upper one and a broader lower one two scales wide. The top of the head is dark brown, and the snout and lip scales are yellow, blotched and edged with brown.