Advertisement

You can sponsor this page

Callorhinus ursinus   (Linnaeus, 1758)

northern fur seal
Upload your photos 
| All pictures | Google image |
Image of Callorhinus ursinus (northern fur seal)
Callorhinus ursinus
Picture by FAO

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). Estrus and copulation occur about a week after parturition. Implantation is expected 120 days after copulation (Ref. 81300).

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. 119314)

  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: production) | FishSource | Sea Around Us

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) | GenBank (genome, nucleotide) | GloBI | | Google Books | Google Scholar | Google | ispecies | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 0.2 - 3.8, mean 1.6 (based on 2446 cells).
Vulnerability (Ref. 71543)
Moderate to high vulnerability (51 of 100)
Price category (Ref. 80766)
Unknown