Arctocephalus townsendi   Merriam, 1897

Guadalupe fur seal

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

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

Mammalia | Carnivora | Otariidae

Environment: milieu / climate zone / depth range / distribution 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).

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. 130435)

  Least Concern (LC) ; Date assessed: 10 October 2014

CITES status (Ref. 108899)

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

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


More information

Common names
Egg development
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): 2.1 - 4, mean 3.1 (based on 48 cells).
Vulnerability (Ref. 71543): Very high vulnerability (90 of 100).
Price category (Ref. 80766): Unknown.