رده بندی / Names
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Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي; غير مهاجر. Temperate; 5°C - 25°C (Ref. 13614); 54°N - 44°N, 126°E - 141°E
Asia: Amur basin.
Length at first maturity / Size / Weight / سن
Maturity: Lm 95.0, range 90 - 100 cm
Max length : 400 cm TL جنس نر / بدون خواص جنسي; (Ref. 1441); بيشينه وزن گزارش شده: 40.0 kg (Ref. 1441); بيشينه سن گزارش شده: 20 سال ها (Ref. 56557)
شعاع نرم باله پشتي (کل) : 6; شعاع نرم باله مخرجي: 83 - 90. Head large and depressed; snout blunt and rounded; mouth large, upper jaw shorter than lower one and reaching backward over hind margin of eyes; maxillary barbels 1 pair reaching pectoral fin; chin barbels 2 pairs.
Threatened due to over harvesting, habitat loss and pollution (Ref. 58490).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Bogutskaya, N.G. and A.M. Naseka, 1996. Cyclostomata and fishes of Khanka Lake drainage area (Amur river basin). An annotated check-list with comments on taxonomy and zoogeography of the region. Zool. Inst. Russ. Acad. Sci. :89 p. (Ref. 13397)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.5 ±0.80 se; based on food items.
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Assuming tmax>10; tm=3).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).