Callorhinus ursinus   (Linnaeus, 1758)

Northern fur seal

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

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Carnivora | Otariidae

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

Bathydemersal.  Subtropical; 90°N - 0°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Pacific Ocean and the Arctic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 210 cm TL male/unsexed; (Ref. 1394); 150 cm TL (female); max. published weight: 270.0 kg (Ref. 1394); max. published weight: 270.0 kg

Biology     Glossary (e.g. epibenthic)

Feeds on many varieties of epipelagic and vertically migrating schooling and non-schooling fish and squid; feeding is at night (Ref. 1394). Feeds on many varieties of epipelagic and vertically migrating schooling and non-schooling fish and squid; feeding is at night (Ref. 1394).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Estrus and copulation occur about a week after parturition. Implantation is expected 120 days after copulation.

Main reference References | Coordinator | Collaborators

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

IUCN Red List Status (Ref. 130435)

  Vulnerable (VU) (A2b); Date assessed: 26 March 2015

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us

Tools

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

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

Estimates based on models

Preferred temperature (Ref. 115969): 0.2 - 3.8, mean 1.6 (based on 2446 cells).
Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.03-0.38).
Vulnerability (Ref. 71543): Moderate to high vulnerability (51 of 100).
Price category (Ref. 80766): Unknown.