Sea otter - largest of the otters

Enhydra Lutris The sea otter (Enhydra lutris) is the heaviest of its kind, weighing up to 45 kg. It has been hunted extensively in the eighteenth and nineteenth century for its warm fur. As a positive side effect, due to the hunting, to maximize profits the sea otter's behavior was researched extensively. The sea otter (Enhydra lutris) is the largest member of the family Mustelidae. It is also the only marine mammal in the order of Carnivora and is the smallest marine mammal. If sea otters rest they are among kelp or in quiet water, laying on their backs. The common resting position is with the head up, with folded paws and chin resting on their chest.

Which zoos have them?
Minnesota Zoo (United States)

The Sea otter is listed as Endangered (EN), considered to be facing a very high risk of extinction in the wild, on the IUCN Red List of Threatened Species

Namings for the sea otter
A young / baby of a sea otter is called a 'pup or whelp'. A sea otter group is called a 'romp, bevy, lodge, family or raft'.
Some facts about the
Sea otter

Adult weight : 25.85 kg (56.87 lbs)

Maximum longevity : 27 years

Female maturity :974 days

Male maturity : 1369 days

Gestation : 140 days

Weaning : 175 days

Litter size : 1

Litters per year : 1

Interval between litters : 548 days

Weight at birth : 1.868 kg (4.1096 lbs)

Weight at weaning : 13.425 kg (29.535 lbs)

Basal metabolic rate : 98 W

Body mass : 26.833 kg (59.0326 lbs)

Source: AnAge, licensed under CC

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