Enhydra lutris (Linnaeus, 1758)
Sea otter
Nutria marina,  Sea otter
Enhydra lutris
photo by FAO

Family:  Mustelidae (mustelids)
Max. size:  148 cm TL (male/unsexed); 140 cm TL (female); max.weight: 45 kg; max.weight: 33 kg
Environment:  bathydemersal; marine; depth range 0 - 25 m
Distribution:  Pacific Ocean: Enhydra lutris lutris: Russia, Kamchatka, Kuril Island, Hokkaido; Enhydra lutris kenyoni: Aleutian and Pribilof Islands, east along the south shore of the Alaska Peninsula, northeast to Prince William Sound, and thence southeast to Washington State; Enhydra lutris nereis: from northern California south to Morro Hermoso in Baja California Norte, including the Farallon Islands, Channel Islands; Mexico (Ref. 1522).
Diagnosis:   
Biology:  Found in shallow nearshore waters. Feeds on or near the bottom in shallow waters (often in kelp beds); on benthic invertebrates (i.e. abalones, sea urchins, rock crabs, other shellfishes, cephalopods, and sluggish near-bottom fishes) (Ref. 1394). It is preyed upon by great white sharks (Ref. 32140). Found in shallow nearshore waters. Feeds on or near the bottom in shallow waters (often in kelp beds); benthic invertebrates (i.e. abalones, sea urchins, rock crabs, other shellfishes, cephalopods, and sluggish near-bottom fishes) (Ref. 1394).
IUCN Red List Status: Endangered (EN); Date assessed: 21 January 2020 Ref. 123251)
Threat to humans: 
Country info:  Reported as Enhydra lutris kenyoni and Enhydra lutris nereis (Ref. 1522). Sea otters were extirpated from Washington and Oregon in the 19th century; the populations now in the area are descended from animals that were translocated from Amchitka Island and Prince William Sound between 1965 and 1972 (Ref. 2220). C: Refs. 1522, 1394, M: Ref. 1394, O: Ref. 78507.

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