Sri Lanka Rough-sided Snake

The Sri Lanka rough-sided snake, or Deraniyagala's rough-sided snake, known in Sinhala as kandu medilla, is a colubrid endemic to the eastern slopes of the central highlands of Sri Lanka. Recorded localities are Namunukula, Kanawarella, Spring Valley and Pindarawatta, and its preferred habitat is forest at around 1,520 m. It is a small snake with the head indistinct from the neck. The back is light beige to dark brown, the head dark and the belly blackish-brown with lighter mottling (Wikipedia, general species account).

It is oviparous, and mature females produce about two to four eggs at a time. It is named for the zoologist Paulus Edward Pieris Deraniyagala. Nationally Critically Endangered (Sri Lanka National Red List 2012).