Arctocephalus townsendi   Merriam, 1897

Guadalupe fur seal
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Arctocephalus townsendi
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Carnivora | Otariidae

Environment / Climate / Range Ecology

Bathydemersal.  Subtropical; 45°N - 13°N, 140°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Central Pacific: USA and Mexico.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 190 cm TL male/unsexed; (Ref. 1394); 140 cm TL (female); max. published weight: 170.0 kg (Ref. 1394); max. published weight: 170.0 kg

Short description Morphology

Dusky black with lighter ventrum. Gray head and shoulders, black nose with brown-red hair around the eyes. Guard hairs are white-tipped in adult males. Claws present in 5 fingers and absent on the 1st and 5th toes. Cartilaginous webbing extends past the claws. Females have 2 pairs abdominal nipples.

Biology     Glossary (e.g. epibenthic)

Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Both male and female territorial. Extralimital sightings in California corresponds with El Niño events (Ref. 1394). Breeds near or in caves marked by the male as his territory. Mating occurs postpartum. Pups nurse for 9 to 11 months during which nursing females fast for an average of 5 days (Ref. 80449).

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

Breeds near or in caves marked by the male as his territory. Mating occurs postpartum. Pups nurse for 9 to 11 months during which nursing females fast for an average of 5 days.

Main reference References | Coordinator | Collaborators

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

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: | FisheriesWiki | 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 | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Very high vulnerability (90 of 100)
Price category (Ref. 80766)
Unknown