Main Ref: | Kottelat, M. and J. Freyhof, 2007 | |||||||||||
Data Ref.: | ||||||||||||
Country: | ||||||||||||
Spawning ground: | ||||||||||||
Locality: | Kuban drainage | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | 111 | |||||||||
Sex ratio: | % Ref.: | |||||||||||
Temperature: | - °C | |||||||||||
Gestation period: | month/s | |||||||||||
Length of offspring: | cm | |||||||||||
Batch spawners | ||||||||||||
Daily spawning frequency |
- Mean: |
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Min Ref.: Max Ref.: Mean Ref.: |
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Comments: | Undertakes spawning migration which starts at the end of March and peaks in May and may extend to uppermost reaches of tributaries. After spawning, adults migrate downstream and remain in the main course of Kuban and lower reaches of tributaries during winter (Ref. 59043). |