Mammalia |
Carnivora |
Phocidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 0 - 8000 m (مرجع 1394), usually 1000 - 5000 m. Polar; 0°N - 90°S, 180°W - 180°E
Indo-Pacific, Atlantic Ocean and the Antarctic: Circumpolar in the Southern Hemisphere, Skeleton coast of Namibia around the Cape to Ilha Bazaruto in Mozambique. Polar, temperate.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 685 cm TL جنس نر / بدون خواص جنسي; (مرجع 99323); 300 cm TL (female); بيشينه وزن گزارش شده: 5.0 t (مرجع 99323); بيشينه وزن گزارش شده: 5.0 t
Prefers sandy and cobble beaches, but will haul out on ice, snow or rocky terrace); they venture inland into tussock grass and other vegetation, and frequently lie in mud wallows. Feeds on 75% cephalopods and 25% fish. Maximum measurements for female species based from Ref. 1394. Reported from 0 m- m (Ref. 1394) but is observed to occur at greater depths based on more recent data (Kaschner, K. pers. comm., 20/10/14). Prefers sandy and cobble beaches, but will haul out on ice, snow or rocky terraces; they venture inland into tussock grass and other vegetation, and frequently lie in mud wallows. Feeds on 75% cephalopods and 25% fish (Ref. 1394).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (مرجع 1394)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2024-2)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
خطر برای انسان ها
استفاده انسانی
ماهي گيري – شيلات: تجاري
FAO - ماهي گيري – شيلات: نمايه گونه | FishSource | Sea Around Us
ابزارها
اطلاعات بيشتر
Life cycleتولید مثل
بلوغ
Fecundity
تخم ریزی
Eggs
نمو تخم
Larvae
پويايي لاروي
Human RelatedAquaculture profiles
Stamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 1.6, mean 0.8 (based on 16947 cells).
آسيب پذيری
High to very high vulnerability (75 of 100).
طبقه قيمت
Unknown.