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Odobenus rosmarus   (Linnaeus, 1758)

walrus

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Odobenus rosmarus   AquaMaps   Data sources: GBIF OBIS
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Image of Odobenus rosmarus (walrus)
Picture by FAO

Classification Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Carnivora | Odobenidae

Main reference References | Biblio | Coordinator | Collaborators

Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)

Size / Weight / Age

Max length : 380 cm TL male/unsexed; (Ref. 99323); 300 cm (female); max. published weight: 1.9 t (Ref. 99323); max. published weight: 1.9 t

Environment

Bathydemersal

Climate / Range

Temperate; 90°N - 0°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

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.

Biology     Glossary (e.g. epibenthic)

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 (Ref. 114614)

  Vulnerable (VU) (A3c)

CITES status (Ref. 94142)

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Sea Around Us | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
High to very high vulnerability (72 of 100)
Price category (Ref. 80766)
Unknown