Classification / 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
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल; गैर प्रवासी. Temperate; 5°C - 25°C (Ref. 13614); 54°N - 44°N, 126°E - 141°E
Asia: Amur basin.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 95.0, range 90 - 100 cm
Max length : 400 cm TL पुल्लिंग / अलिंग; (Ref. 1441); अधिकतम प्रकाशित वज़न: 40.0 kg (Ref. 1441); अधिकतम सूचित उम्र: 20 वर्षो (Ref. 56557)
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 6; ऐनल सौफट रेज़: 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 | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
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.
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Assuming tmax>10; tm=3).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).