Mammalia |
Carnivora |
Otariidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Bathydemersal. Subtropical; 45°N - 13°N, 140°W - 180°E
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
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.
Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats.
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.
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Threat to humans
Human uses
Fisheries: commercial
FAO - Fisheries: species profile | FishSource | Sea Around Us
Tools
More information
Population dynamicsGrowthAge/SizeLength-weightLength-lengthLength-frequenciesMass conversionRecruitmentAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 2.1 - 4, mean 3.1 (based on 48 cells).
Vulnerability
Very high vulnerability (90 of 100).
Price category
Unknown.