Mammalia |
Carnivora |
Otariidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Bathydemersal. Subtropical; 90°N - 0°S, 180°W - 180°E
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
Feeds on many varieties of epipelagic and vertically migrating schooling and non-schooling fish and squid; feeding is at night (Ref. 1394).
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.
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
Not Evaluated
Threat to humans
Human uses
Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us
Tools
More information
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 3.8, mean 1.6 (based on 2446 cells).
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.03-0.38).
Vulnerability
Very high vulnerability (76 of 100).
Price category
Unknown.