The Greater Malayan Chevrotain has head and body length of 20 to 24 inches. The animal can weigh from 9 to 13 pounds. Chevrotains have a reddish coat. They have a cumbersome build, with short thin legs and have limited agility. Males are smaller than females.
These small secretive creatures are most active at night. Like other ruminants, they have a four-chambered stomach. Their gut is modified for the fermentation of food. They lead a solitary lifestyle and have no horns or antlers. They are easy prey and an important source of food for many predators, including large snakes, crocodiles, eagles and forest-inhabiting cats. These animals are often referred to as mouse deer. The survival of this species depends on the conservation of their habitat and restriction of hunting.