Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 7.0 - 7.5; dH range: 10 - 20; potamodromous (Ref. 51243). Temperate; 10°C - 20°C (Ref. 13614)
Asia: Eastern Asia from the Amur basin to the Red (Coi) River.
Length at first maturity / Size / Weight / Age
Maturity: Lm 89.9, range 66 - 105 cm
Max length : 200 cm TL male/unsexed; (Ref. 4537); max. published weight: 40.0 kg (Ref. 56557)
Short description
Identification keys | Morphology | Morphometrics
A food fish for humans (Ref. 4537).
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: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: subsistence fisheries
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00570 - 0.00801), b=3.06 (3.01 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trophic level (Ref. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
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Generation time |
13.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (Assuming tm=5-10). |
Fishing Vulnerability (Ref. 59153) |
Very high vulnerability (83 of 100). 🛈 |
Price category (Ref. 80766) |
Unknown.
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