Otters are semi-aquatic (or in one case aquatic) fish-eating mammals. The otter subfamily Lutrinae forms part of the family Mustelidae, which also includes weasels, polecats, badgers, as well as others. With twelve species in seven genera, otters have an almost worldwide distribution. They mainly eat aquatic animals, predominantly fish and shellfish, but also other invertebrates, amphibians, birds and small mammals.NomenclatureThe word otter derives from the Old English word otor or oter. This and cognate words in other Indo-European languages ultimately stem from the PIE root *wódr。
Otter streamlined body, about 60 to 80 cm, weight up to 5 kilograms. Head wide and slightly flat, short kisses, a few root central chin otters to be short and hard. Eyes slightly prominent, short, round ears, nostrils, ear canal with water poured into the valve. Tail slender, the base tapering to the end. Short limbs, with webbed toes. Body hair long and dense, brownish-black or brown, with silky luster; the end of soft, rich velvet. Dorsal gray brown, the color gray brown chest, throat, neck gray coat also showed seasonal variation, summer, slightly reddish brown.
Nocturnal to fish, rodents, frogs, crabs, waterfowl and other staple food. They are good at swimming and diving, one can stay under water for 2 minutes. Otters from fish to catch as fast as a cat and mouse, the former often prey on the V, as the waters of the stones, once found in game, which quickly caught bashing. Otter fishing hobby, even after a full belly, they will be endless killing fish.
