Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند. Subtropical; 90°N - 0°S, 180°W - 180°E
Pacific Ocean, Northeast Atlantic and the Arctic. Tropical to temperate.
Length at first maturity / Size / Weight / سن
Maturity: Lm ?  range ? - ? cm Max length : 330 cm TL جنس نر / بدون خواص جنسي; (مرجع 1394); 250 cm TL (female); common length : 310 cm TL جنس نر / بدون خواص جنسي; (مرجع 80659); common length :240 cm TL (female); بيشينه وزن گزارش شده: 1.1 t (مرجع 80659); بيشينه وزن گزارش شده: 1.1 t
Sexually dimorphic. Coloration when dry is pale yellow to light tan with dark brown undersides and near their flippers. When wet, color is grayish white. Pelage is short coarse hairs. Mature males develop a prominent mane on the necks and chests, with heads that are more robust with a flatter snout than females.
Inhabits coastal and immediate offshore waters (Ref. 1522). Preyed upon by great white sharks (Ref. 32140). Coastal and immediate offshore waters (Ref. 1522). Non-migratory but may disperse considerably from breeding sites. Appears to feed along the continental shelf and break (Ref. 80660). Found from the coast to the outer continental shelf; they frequent deep oceanic waters in some parts of the range. Feeds on many varieties of fish and squid, prefers bottom species; feeding occurs at night (Ref. 1394).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Only sexually mature Steller sea lions return to rookeries, except for few dependent young with their mothers. Gestation results only one pup which is nursed for under a year up to 3 years. Mothers stay on shore with their newborn for about a week before leaving for regular feeding trips. Copulation usually occur prior to first feeding trip. Longevity lasts about 14 years for males and 22 years for females, with a generation time of 10 years.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Rice, D.W. 1998. (مرجع 1522)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2024-2)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
استفاده انسانی
ماهي گيري – شيلات: تجاري
FAO - ماهي گيري – شيلات: landings, نمايه گونه | FishSource | Sea Around Us
ابزارها
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 1.6 - 13.5, mean 5.8 (based on 1576 cells).
جهندگی
متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.17-0.54).
آسيب پذيری
High to very high vulnerability (72 of 100).
طبقه قيمت
Unknown.