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Cropped extract of Carta Marina by Olaus Magnus dated 1539 showing an otter retrieving a fish for its master Otter fishing is a fishing technique which uses trained otters to fish in rivers. This method has been practised since the 6th century in various parts of the world, and is still practiced in southern Bangladesh .
Several otter species live in cold waters and have high metabolic rates to help keep them warm. Eurasian otters must eat 15% of their body weight each day, and sea otters 20 to 25%, depending on the temperature. In water as warm as 10 °C (50 °F), an otter needs to catch 100 g (3.5 oz) of fish per hour to survive.
The sea otter propels itself underwater by moving the rear end of its body, including its tail and hind feet, up and down, [38] and is capable of speeds of up to 9 kilometres per hour (5.6 mph). [6] When underwater, its body is long and streamlined, with the short forelimbs pressed closely against the chest. [46]
The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on the North American continent throughout most of Canada, along the coasts of the United States and its inland waterways. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 ...
The sea otter, which has the densest fur of any animal, [15] narrowly escaped the fate of the sea mink. The discovery of large populations in the North Pacific was the major economic driving force behind Russian expansion into Kamchatka , the Aleutian Islands , and Alaska , as well as a cause for conflict with Japan and foreign hunters in the ...
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A medium-sized otter, the southern river otter's body can grow up to 70 cm (28 in) long, with the tail adding about 40 cm (16 in). Body weight averages about 5–10 kg (11–22 lb). Its fur is dark brown on the upper parts and a lighter cinnamon color or can be almost white on the underside.
OSHKOSH — Warmer temperatures have put a damper on many winter events, including the Otter Street Fishing Club's Winter Fisheree, set to take place Feb. 3 at Miller's Bay. The event will go on ...