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Carnivora |
Phocidae
Environment: milieu / climate zone / depth range / distribution range
Ecologia
Batidemersal. Temperate; 90°N - 41°N, 138°E - 130°W
Northern Pacific and the Arctic. Strays in California. Boreal to polar.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm Max length : 180 cm TL macho/indeterminado; (Ref. 1394); Peso máx. publicado: 148.0 kg (Ref. 1394)
Feeds on several species of fish and crustaceans (Ref. 1394). Physiology indicates adaptability to life in the open ocean. In spring and early summer, they prefer the continental shelf slope, hauling out on ice near or over deeper water. Feeds intensively during ice-free and winter months, wherein diet is suggested to be based on distribution and potential prey. Mainly consumes pelagic and nektobenthic prey (Ref. 119413). Feeds on several species of fish and crustaceans (Ref. 1394).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Categoria CITES (Ref. 108899)
Not Evaluated
Not Evaluated
Ameaça para o homem
Utilização humana
Pescarias: espécies comerciais
FAO - pescarias: landings, perfil da espécie | FishSource | Sea Around Us
Ferramentas
Fontes da internet
Estimates based on models
Preferred temperature
(Ref.
115969): -0.4 - 4.9, mean 2.4 (based on 2322 cells).
Resiliência
Elevada, tempo mínimo de duplicação da população menor que 15 meses (K=0.37-0.57).
Vulnerabilidade
Moderate to high vulnerability (46 of 100).
Categoria de preço
Unknown.