Animalia > Chordata > Mammalia > Carnivora > Otariidae > Callorhinus > Callorhinus ursinus

Callorhinus ursinus (Northern Fur Seal)

Synonyms:

Wikipedia Abstract

The northern fur seal (Callorhinus ursinus) is an eared seal found along the north Pacific Ocean, the Bering Sea, and the Sea of Okhotsk. It is the largest member of the fur seal subfamily (Arctocephalinae) and the only living species in the genus Callorhinus. A single fossil species, Callorhinus gilmorei, is known from the Pliocene of Japan and western North America.
View Wikipedia Record: Callorhinus ursinus

Endangered Species

Status: Vulnerable
View IUCN Record: Callorhinus ursinus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
4
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
46
 Unique & Vulnerable (100)
ED Score: 9.75
EDGE Score: 3.76
Learn more at EDGE of Existence programme

Attributes

Gestation [2]  8 months
Litter Size [2]  1
Litters / Year [2]  1
Maximum Longevity [4]  35 years
Migration [1]  Interoceanic
Snout to Vent Length [4]  6.33 feet (193 cm)
Water Biome [1]  Pelagic, Coastal
Weaning [2]  3 months 17 days
Adult Weight [2]  364.867 lbs (165.50 kg)
Birth Weight [2]  11.643 lbs (5.281 kg)
Male Weight [4]  63.934 lbs (29.00 kg)
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  60 %
Diet - Invertibrates [3]  40 %
Forages - Marine [3]  100 %
Female Maturity [2]  3 years
Male Maturity [2]  5 years 6 months

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No

Prey / Diet

Prey / Diet Overlap

Predators

Carcharodon carcharias (Maneater shark)[6]
Eumetopias jubatus (Steller Sea Lion)[6]
Homo sapiens (man)[6]
Orcinus orca (Killer Whale)[5]

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 4Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 5Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ 6Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 7Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Forage species in predator diets: synthesis of data from the California Current. Ecological Informatics 29(1): 45-56. Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Data from: Forage species in predator diets: synthesis of data from the California Current. Dryad Digital Repository.
♦ 8CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 9Trophic Role of the Pacific Whiting, Merluccius productus, P. A. LIVINGSTON and K. M. BAILEY, Marine Fisheries Review 47(2), 1985, p. 16-22
♦ 10Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0