Mammalia |
Cetartiodactyla |
Phocoenidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی. Temperate; 90°N - 0°S, 180°W - 180°E
Pacific Ocean and the Arctic: Phocoenoides dalli dalli: Sea of Okhotsk, Bering Sea, Gulf of Alaska, Sea of Japan, California Current, Baja California Norte, Alaska; Phocoenoides dalli truei: Kuril, Japan. Temperate through subarctic zones.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 240 cm TL جنس نر / بدون خواص جنسي; (مرجع 1394); 220 cm TL (female); بيشينه وزن گزارش شده: 200.0 kg (مرجع 1394)
Mainly an offshore deepwater inhabitant, but occurs in narrow channels and fjords where the water is clear and relatively deep (Ref. 1522). Feeds on surface and mid-water fish and squid, especially lanternfish and gonatid squid (Ref. 1394). Feeds on surface and mid-water fish and squid, especially lanternfish and gonatid squid (Ref. 1394); mainly an offshore deep-water inhabitant, but occurs in narrow channels and fjords where the water is clear and relatively deep (Ref. 1522).
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 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. (مرجع 1394)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
خطر برای انسان ها
استفاده انسانی
ماهي گيري – شيلات: تجاري
FAO - ماهي گيري – شيلات: landings, نمايه گونه | FishSource | Sea Around Us
ابزارها
اطلاعات بيشتر
Life cycleتولید مثل
بلوغ
Fecundity
تخم ریزی
Eggs
نمو تخم
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 1.6 - 13.1, mean 4.7 (based on 2773 cells).
جهندگی
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=0.4-0.58).
Fishing Vulnerability
High to very high vulnerability (65 of 100).
طبقه قيمت
Unknown.