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Odobenus rosmarus   (Linnaeus, 1758)

Walrus

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Odobenus rosmarus  AquaMaps  Data sources: GBIF OBIS
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Odobenus rosmarus


Russian Federation country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Reported as Odobenus rosmarus rosmarus and as Odobenus rosmarus divergens. Known from the Pechora sea as Odobenus rosmarus rosmarus (Ref. 118986). C: Refs. 1522, 3732, 118986. M: Ref. 1394.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rs.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Rice, D.W., 1998
National Database:

Common names from other countries

Classification / Names / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Carnivora (Carnivores) > Odobenidae (walruses)

Environment: milieu / climate zone / depth range / distribution range Ecologia

Batidemersale; distribuzione batimetrica ? - 91 m (Ref. 124244).   Temperate; 90°N - 0°S, 180°W - 180°E

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Introduzioni

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.

Length at first maturity / Size / Peso / Age

Maturity: Lm ?  range ? - ? cm Max length : 380 cm TL maschio/sesso non determinato; (Ref. 99323); 300 cm TL (female); Peso massimo pubblicato: 1.9 t (Ref. 99323); Peso massimo pubblicato: 1.9 t

Biologia     Glossario (es. 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).

Main reference Bibliografia | Coordinatore | Collaboratori

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

IUCN Red List Status (Ref. 130435)

  Vulnerabile, vedi Lista Rossa IUCN (VU) (A3c); Date assessed: 05 February 2016

CITES status (Ref. 108899)


CMS (Ref. 116361)

Not Evaluated

Human uses

Pesca: commerciale
FAO - pesca: landings, species profile | FishSource | Sea Around Us

Strumenti

Informazioni ulteriori

Nomi Comuni
Sinonimi
Predatori
Riproduzione
Maturità
Deposizione
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Morfologia
Larve
Abbondanza
Bibliografia
Mass conversion

Fonti Internet

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(pesca: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, ricerca) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 0.3 - 10.7, mean 2.6 (based on 3262 cells).
Resilienza (Ref. 69278) Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.1-0.31).
Vulnerability (Ref. 71543): High to very high vulnerability (72 of 100).
Price category (Ref. 80766): Unknown.