Main Ref.: | Vostradovsky, J., 1973 | |||||||||||
Data Reference: | ||||||||||||
Country: | ||||||||||||
Spawning ground: | riverine | |||||||||||
Locality: | Central Europe | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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: | Spawning takes place at the end of spring in fast-flowing parts of rivers and preferably close to sandy islands. |