Mammalia |
Carnivora |
Phocidae
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
Batidemersal. Temperate; 90°N - 0°S, 180°W - 180°E
Atlantic Ocean, Pacific Ocean, the Arctic and North America Inland Waters: Portugal, Iceland, Greenland, Canada Newfoundland, Spain, France, Belgium, Ireland, Netherlands, Germany, Denmark, Norway, Sweden Lithuania, Poland, Latvia, Estonia, Finland, Russia, UK, USA, Canada, Mexico, Alaska, Japan, Kamchatka (Ref. 1394), Br Scotland, Madeira, British Columbia, Kuril Island, Sea of Okhotsk, Gulf of California, Baltic Sea, Barents Sea, Hudson Bay (Ref. 1522); Phoca vitulina vitulina: Portugal, UK, Iceland, Greenland, Br Scotland, Norway, Madeira, Baltic Sea, Barents Sea; Phoca vitulina concolor: Canada, Hudson Bay, USA, Greenland, Iceland; Phoca vitulina richardii: Mexico, Alaska, British Columbia, USA, Gulf of California; Phoca vitulina stejnegeri: Japan, Kamchatka, Alaska, Sea of Okhotsk, Kuril Island; Phoca vitulina mellonae: Hudson Bay, James Bay. Temperate to polar regions.
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm ? range ? - ? cm Max length : 190 cm TL jantan/; (Acuan 1394); 170 cm TL (female); Berat maksimum terpublikasi: 150.0 kg (Acuan 1394); Berat maksimum terpublikasi: 150.0 kg
Found in coastal waters of the continental shelf and slope (Ref. 1394); and whelp in groups on beaches, sandbars, and rocky reefs (Ref. 1522). Feeds on a wide variety of fish, cephalopods, and crustaceans of surface, mid-water and benthic habitats (Ref. 1394). It is preyed upon by the great white shark (Ref. 32140). Found in coastal waters of the continental shelf and slope (Ref. 1394); and whelp in groups on beaches, sandbars, and rocky reefs (Ref. 1522). Also for resting, moulting and lactation during low tides. Typically perform U-shaped dives. Leave the coast on foraging trips to deeper offshore waters where prey is abundant (Ref. 96347). Feeds on a wide variety of fish, cephalopods, and crustaceans of surface, mid-water and benthic habitats (Ref. 1394).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
rujukan utama
Acuan | Koordinator | mitra
Jefferson, T.A., S. Leatherwood and M.A. Webber 1993 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. (Acuan 1394)
Status IUCN Red List
(Acuan 130435: Version 2025-2 (Global))
status CITES (Acuan 108899)
Not Evaluated
ancaman kepada manusia
penggunaan manusia
Perikanan: komersial
FAO - Perikanan: profail spesis, landings search; Publication: search | FishSource | Laut di Sekitar Kita
Alat, peralatan
informasi lanjut
FisiologiKonsumsi oksigen
Yang berhubungan dengan manusiaPerangko, koin, dll.
Sumber internet
Estimasi berdasarkan model
Daya lenting
(Ref. 69278): |
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (K=0.09-0.4) |
Kerentanan Penangkapan Ikan
(Acuan 71543) |
High to very high vulnerability (74 of 100). |
kategori harga
(Acuan 80766): |
Unknown. |
