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The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Enhydra is a genus of mustelid that contains the sea otter and two extinct relatives. It is the only extant genus of the bunodont otters group, referring to otters with non-blade carnassials with rounded cusps. [1] Sea otters probably diverged from other otters during the Pliocene, approximately 5 mya. [2]
Habitats vary widely as well, from the arboreal marten to the fossorial European badger to the marine sea otter. Population sizes are largely unknown, though two species, the sea mink and Japanese otter , were hunted to extinction in 1894 and 1979, respectively, and several other species are endangered .
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 ...
Federal wildlife officials have taken the first step toward potentially reintroducing sea otters to their former habitats in Northern California and Oregon. Sea otters were hunted to near-extinction.
Once on the verge of extinction, the recovery of the sea otter is considered one of the greatest successes in marine conservation.. The sea otter (Enhydra lutris) is a marine mammal living near the shores of the North Pacific, from northern Japan, the Kuril Islands and Kamchatka east across the Aleutian Islands and along the North American coast to Mexico.
Habitat: Neritic marine, oceanic marine, intertidal marine, and coastal marine [8] Diet: A wide variety of fish, cephalopods, and crustaceans, and sometimes African penguins and other seabirds [8] LC 1,060,000 [8] Galápagos fur seal. A. galapagoensis Heller, 1904: Galápagos Islands: Size: Male: 150–160 cm (59–63 in) long; 60–68 kg (132 ...
The marine otter (while spending much of its time out of the water) only lives in saltwater, coastal environments and rarely ventures into fresh water or estuarine habitats. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter (Enhydra lutris) of the North Pacific.