Black Sea bleak
📖 Overview
Inhabits rivers and migrates to upper reaches of tributaries to spawn. Spawning takes place in riffle with heavy current on gravel bottom. Forages in the lower section of rivers, close to the surface .
🔬 Taxonomy
🐟 Physical Description
Diagnosed from congeners in Aegean and Black Sea basins by having the following characters: origin of anal fin about 1½ -2½ scales behind dorsal fin base; lateral line with 63-67 + 4 scales; anal fin with 13-15½ branched rays; 21-27 gill rakers (mode 25); ventral keel exposed for 8-12 scales in front of anus; head length 22-26% SL; predorsal length 55-58% SL; caudal peduncle length 18-21% SL, depth 2.0-2.5 times in length; and nuptial males with few, large tubercles .: fusiform / normal.
🌀 Behaviour
Behavioural data for Black Sea bleak is currently being reviewed.
🦐 Diet
Diet information for Black Sea bleak is currently being compiled.
🥚 Reproduction
Reproduction data for Black Sea bleak is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate north to Kamtchya might belong to this species.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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