Eurasian Otter

The Eurasian otter, also known as the European otter, Eurasian river otter or common otter, is a semiaquatic mammal native to Eurasia and the Maghreb. It is the most widely distributed member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae) (Wikipedia, general species account).

Its range reaches mainland Southeast Asia, including Vietnam. The cached account is limited here, so this entry is restricted to identification and general range.