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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.
However, river otters will prey on trout, pike, walleye (Sander vitreus vitreus), salmon (Oncorhynchus spp.), and other game fish during spawning. [32] Otters have been found to consume invasive Asian carp. [52] Adult North American river otters are capable of consuming 1 to 1.5 kilograms (2.2 to 3.3 lb) of fish per day. [35]
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
Otter 841, California's most ornery sea mammal, has returned to waters off Santa Cruz. Authorities warn surfers and swimmers to steer clear of the creature.
The giant otter has a handful of other names. In Brazil it is known as ariranha, from the Tupi word arerãîa, or onça-d'água, meaning water jaguar. [6] In Spanish, river wolf (Spanish: lobo de río) and water dog (Spanish: perro de agua) are used occasionally (though the latter also refers to several different animals) and may have been more common in the reports of explorers in the 19th ...
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]
Santa Cruz's sea otter, 841, has given birth to a wee pup — suggesting that her erratic behavior could have been hormonally driven. Santa Cruz's sea otter, 841, has given birth to a wee pup ...
Rosa was adopted by the Monterey Bay Aquarium in 1999 and served as surrogate mother for a record 15 otters. She outlived the life expectancy for wild southern sea otters.