Mammalia |
Cetartiodactyla |
Iniidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی; رود رو (مرجع 75906); آب شيرين. Subtropical; 31°N - 28°N, 112°E - 122°E
Asia - Inland Waters: China and Yangtze River.
Length at first maturity / Size / Weight / سن
بلوغ: Lm 200.0  range ? - ? cm Max length : 230 cm TL جنس نر / بدون خواص جنسي; (مرجع 1394); 260 cm TL (female); بيشينه وزن گزارش شده: 135.0 kg (مرجع 1394); بيشينه وزن گزارش شده: 135.0 kg
Found in the middle and lower reaches of the river. Feeds on a large variety of fish species (Ref. 1394). Major threats to baiji dolphins includes fisheries, degradation of habitats, river traffic, water pollution (Ref. 85335, 85336), and rolling hooks known to snag and drown baiji (Ref. 85336). In 1997 a comprehensive survey was able to document 13 individuals giving the experts an estimate of a population composed of less than 100 individuals (Ref. 85336). Found in the middle and lower reaches of the river. Feeds on a large variety of fish species (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
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
Population dynamicsرشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Fishing Vulnerability
High to very high vulnerability (75 of 100).
طبقه قيمت
Unknown.