The ricefield rat is a medium-sized rat found throughout Southeast Asia, with grizzled yellow-brown and black fur, a grey belly with whiter flanks and a uniformly medium-brown tail. Total length is 304–400 mm with a tail of 140–200 mm, and the average weight is around 97–219 g. It has chisel-like incisors, and females have 12 mammae (Wikipedia, general species account).
Description: Wildlife of Malaysia guide, Wildlife of Everywhere (wildlifeofeverywhere.com); general species information paraphrased from Wikipedia (CC BY-SA)
Mammals of the World