Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 70.0 cm TL male/unsexed; (Ref. 556); common length : 60.0 cm TL male/unsexed; (Ref. 6111); max. published weight: 8.0 kg (Ref. 59043); max. reported age: 12 years (Ref. 6111)
Length at first maturity
Lm ?, range 43 - 50 cm
Environment
Freshwater; brackish; benthopelagic; depth range 50 - ? m
Climate / Range
Temperate, preferred ?; 56°N - 36°N, 22°E - 54°E
Distribution
Eurasia: Black and Azov Sea basins, absent from Danube and Kuban drainages; landloacked populations in Don, resulting from dam construction; Caspian basin from Terek to Atrek drainages, very rarely in northern Caspian basin (Volga [earlier up to Perm], Ural); Lake Iznik in Sea of Marmara basin in Anatolia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal
soft rays
(total): 11-12;
Anal
soft rays: 12 - 14. Can be diagnosed from its congeners in Black and Caspian Sea basins by having the following characters: body almost cylindrical, depth 19-26% SL; 53-64 + 3 scales on lateral line; abdomen posterior to pelvic rounded; snout rounded, stout; mouth subterminal; dorsal fin with 9-10½ branched rays; iris and fins grey or slightly yellowish; breeding males with large, scattered tubercles on top and side of head (Ref. 59043).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquaculture: commercial
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Tools
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Internet sources
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
3.6 ±0.0 se; Based on diet studies.
Resilience
Low, minimum population doubling time 4.5 - 14 years (tmax=12; tm=3-5)
Vulnerability
Low to moderate vulnerability (33 of 100)
Price category