Odobenus rosmarus (Linnaeus, 1758)
Walrus
Odobenus rosmarus
photo by FAO

Family:  Odobenidae (walruses)
Max. size:  380 cm TL (male/unsexed); 300 cm TL (female); max.weight: 1,883 kg; max.weight: 1,200 kg
Environment:  bathydemersal; marine; depth range - 91 m
Distribution:  Atlantic Ocean, Northern Pacific, and the Arctic. Greenland, Canada, Norway, Alaska, Russia (Ref. 1394), Iceland, UK, Netherlands, Belgium, Japan, Beaufort Sea, Sea of Okhotsk, Bering Sea, Chukchi Sea, Atlantic Ocean, Barents Sea, Arctic Ocean, Laptev Sea, Hudson Bay, Kara Sea, East Barents Sea, East Siberian Sea, Kamchatka, Celtic-Biscay Shelf (Ref. 1522); Odobenus rosmarus rosmarus: Russia, Canada, Greenland, Iceland, Norway, UK, Barents Sea, Netherlands, Belgium, Atlantic Ocean, Bay of Biscay, Hudson Bay, Kara Sea, Prince Edward Island; Odobenus rosmarus laptevi: Russia, Laptev Sea, Kara Sea, East Siberian Sea; Odobenus rosmarus divergens: Arctic Ocean, Bering Sea, Chukchi Sea, Alaska, Russia, Beaufort Sea, Sea of Okhotsk, Japan, Kamchatka.
Diagnosis:   
Biology:  Found in shallow water and coastal habitats, usually associated with pack ice; regularly haul out on sandy beaches, rocky shores, and ice floes to rest and moult. Feeds on benthic invertebrates (i.e. clams, worms, snails, shrimp and slow-moving fish). Maximum measurements of female species based from Ref. 1394. Found in shallow water and coastal habitats, usually associated with pack ice; regularly haul out on sandy beaches, rocky shores, and ice floes to rest and moult. Feeds on benthic invertebrates (i.e. clams, worms, snails, shrimp and slow-moving fish) (Ref. 1394).
IUCN Red List Status: Vulnerable (VU); Date assessed: 05 February 2016 (A3c) Ref. 123251)
Threat to humans: 
Country info:   
 

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