About Xenochrophis trianguligerus (Boie, 1827)
Xenochrophis trianguligerus, commonly known as the triangle keelback, is a species of snake. It can be found in Brunei Darussalam, Burma (Myanmar), Cambodia, India (the Nicobar Islands and Deban in Changlang district, Arunachal Pradesh), Indonesia (Nias, Mentawai, and Sumatra), Laos, Malaysia (Malaya and East Malaysia), Singapore, Thailand, and Vietnam. Its type locality is Java.