River Otter (Lutra canadensis) pups, Yellowstone National Park, Wyoming, United States of America, North America

Spotted necked otter (Hydrictis maculicollis) eating leopard squeaker fish, Chobe River, Botswana, Africa

Adult giant river otter (Pteronura brasiliensis), eating a fish on the Rio Tres Irmao, Mato Grosso, Pantanal, Brazil, South America

Spotted necked otter (Hydrictis maculicollis) eating leopard squeaker fish, Chobe River, Botswana, Africa

Giant otter (Pteronura brasiliensis), Pantanal, Mato Grosso, Brazil, South America

Unique fishing method with fish otters, Bangladesh, Asia

Eurasian river otter (Lutra lutra) eating Greater spotted dogfish (Scyliorhinus stellaris). The otter took only the innards of the dogfish by opening a short section of skin behind the pectoral fin (see images under 'Greater spotted dogfish'). The rest of the fish, still alive, was left on the shore and never retrieved. Perhaps the tough shark skin and battling fish are too much work when other food is plentiful? Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating a large crab. Large fish and crabs are difficult to constrain and eat in the water so are often brought ashore. Otters will sometimes swim realtively long distances in order to do so. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish, long-spined bullhead (Taurulus bubalis). Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Otters have adapted well to the marine environment but require sources of fresh water to drink and to clean fur. Hebrides, Scotland

Eurasian river otter (Lutra lutra) mother eating fish with cub closeby. The cub tried unsuccessfully to obtain some of its mother's catch. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Otters have adapted well to the marine environment but require sources of fresh water to drink and to clean fur. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating a male lumpsucker (Cyclopterus lumpus) fish, also known as a sea hen or scarclagger. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating a large crab. Large fish and crabs are difficult to constrain and eat in the water so are often brought ashore. Otters will sometimes swim realtively long distances in order to do so. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish, long-spined bullhead (Taurulus bubalis). Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating flatfish. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating a male lumpsucker (Cyclopterus lumpus) fish, also known as a sea hen or scarclagger. Hebrides, Scotland

Eurasian river otter (Lutra lutra) having caught Greater spotted dogfish (Scyliorhinus stellaris). The otter took only the innards of the dogfish by opening a short section of skin behind the pectoral fin (see images under 'Greater spotted dogfish'). The rest of the fish, still alive, was left on the shore and never retrieved. Perhaps the tough shark skin and battling fish are too much work when other food is plentiful? Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating a large crab. Large fish and crabs are difficult to constrain and eat in the water so are often brought ashore. Otters will sometimes swim realtively long distances in order to do so. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating flatfish. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Otters in western Scotland have adapted well to life in a marine environment, though proximity to sources of fresh water is essential. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Hebrides, Scotland

European Otter (Lutra lutra) eating a fish, in captivity, North Rhine-Westphalia, Germany, Europe

Giant otter, Pteronula brasiliensis, Pantanal, Brasil

Giant otter (Pteronura brasiliensis) eats captured fish in water, Pantanal, Mato Grosso, Brazil, South America

European otter (Lutra lutra) in rain with captured fish in backlight, Kiskunsagi National Park, Hungary, Europe

Globally unique fishing with otters (Lutra lutra), Bangladesh, Asia

European otter (Lutra lutra) captures a fish, Blue hour, Kiskunsag National Park, Hungary, Europe

Giant otter (Pteronura brasiliensis), in the water, eating captured fish, animal portrait, Pantanal, Mato Grosso, Brazil, South America

Giant otter (Pteronura brasiliensis) eats captured fish in water, Pantanal, Mato Grosso, Brazil, South America

Giant otter (Pteronura brasiliensis) eats captured fish in water, Pantanal, Mato Grosso, Brazil, South America

Giant river otter (pteronura brasiliensis) eats fish along the cuiba river in the pantanal, Brazil

Portrait of a pair of river otters (Lutra canadensis) pause near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Portrait of a river otter (Lutra canadensis) lying down near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Sea Otter (Enhydra Lutris) Eating Salmon Eggs, Valdez, Alaska, United States Of America

Giant river otters (pteronura brasiliensis) eat fish along the cuiba river in the pantanal, Brazil

Giant River Otters (Pteronura Brasiliensis) Chewing Fish In River, Mato Grosso Do Sul, Brazil

Giant otter eating a fish {Pteronura brasiliensis} Guyana

European otter European otter eating prey fish portrait

European otter European otter standing on ice eating prey fish portrait