Oriental clawed otter can be found in the mangrove swamps and fresh wetlands of Bangladesh, southern India, China, Taiwan, Indochina, West Malaysia, Indonesia and the Philippines.
Adults of this species otters can grow to the length of approximately 0.9 meters from nose to tip of the tail, and weigh about 5 pounds. They feed on fish, frogs, crabs, crayfish and shellfish.
Oriental clawed otters live in extended family groups with a single alpha pair to mate, while previous adult cubs assist in raising new cubs.
Type previously considered the only member of the genus Amblonyx, but after the recent mitochondrial DNA (Koepfli and Wayne, 1998) has been demonstrated as a member of the genus Aonyx. There are also discussions about the name of the species; cinereus and cinerea. Currently the IUCN name is Aonyx cinereus, while "species of mammals in the world," he cited as Aonyx cinerea.