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Acipenseriformes (Sturgeons and paddlefishes) >
Acipenseridae (Sturgeons)
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).
Eponymy: Peter Leopold Ivanovich von Schrenck (aka Schenk or Shrenk) (1826–1894) was a Russo-German zoologist, geographer and ethnographer who was Director (1879) of the Imperial Academy of Sciences, St Petersburg. [...] (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي; آب شيرين; لب شور نزديك كف زي; رود کوچ (Ref. 26364). Temperate; 10°C - 20°C (Ref. 2059)
Asia: Endemic to the Amur River system. Two morphs, brown and gray, represent the species in the Amur River basin.
Occurrence in the Sea of Japan (Ref. 11102) needs confirmation.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 108.8, range 96 - 125 cm
Max length : 300 cm TL جنس نر / بدون خواص جنسي; (Ref. 40142); بيشينه وزن گزارش شده: 190.0 kg (Ref. 40142); بيشينه سن گزارش شده: 65 سال ها (Ref. 56448)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 38 - 53; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 20 - 32. Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10.
Body shape (shape guide): elongated.
Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).
The gray morph females in the Amur River reproduce at least every four years (Ref. 40142).
IUCN, 1990. 1990 IUCN red list of threatened animals. IUCN, Gland, Switzerland and Cambridge, U.K. 288 p. (Ref. 3881)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00163 - 0.00424), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.3 ±0.1 se; based on diet studies.
Generation time: 22.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
جهندگی (مرجع
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (tm=8-14; tmax=65; Fec=29,000).
آسیبپذیری ماهیگیری (Ref.
59153): Very high vulnerability (87 of 100).
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مواد مغذی (Ref.
124155): Calcium = 13.5 [7.7, 23.3] mg/100g; Iron = 0.245 [0.148, 0.387] mg/100g; Protein = 17.5 [15.0, 20.2] %; Omega3 = 0.329 [0.180, 0.595] g/100g; Selenium = 23.9 [12.6, 47.1] μg/100g; VitaminA = 4.56 [1.63, 12.77] μg/100g; Zinc = 0.469 [0.334, 0.657] mg/100g (wet weight);