Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
Batidemersal. Subtropical; 90°N - 0°S, 126°E - 115°W
Pacific Ocean and the Arctic: Eastern side of Ostrov Sakhalin to northern Hokkaido. Subtropical to polar.
Length at first maturity / Size / Weight / umur
Maturity: Lm ?  range ? - ? cm Max length : 170 cm TL jantan/; (Ref. 1394); 160 cm TL (female); Berat maksimum terpublikasi: 123.0 kg (Ref. 1394)
Inhabit the southern edges of the pack ice from winter to early summer and coastal areas including river mouths, in late summer and autumn. Diet composition varies with the age of the seal; Newly weaned pups feed on small crustaceans, advance to schooling fishes, larger crustaceans, and octopuses, and finally graduate to bottom dwelling fish and cephalopods (Ref. 1394).
rujukan utama
Acuan | Koordinator | mitra
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
Status IUCN Red List (Ref. 130435: Version 2024-1)
status CITES (Ref. 108899)
Not Evaluated
Not Evaluated
penggunaan manusia
Perikanan: komersial
FAO - Perikanan: landings, profail spesis | FishSource | Sea Around Us
Alat, peralatan
Sumber internet
Estimates based on models
Preferred temperature
(Ref.
115969): -0.6 - 5.6, mean 2.2 (based on 1984 cells).
Daya lenting
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (K=0.16-0.44).
keancaman
High to very high vulnerability (72 of 100).
kategori harga
Unknown.