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Main Ref: | Sokolov, L.I. and L.S. Berdicheskii, 1989 | |||||||||||
Data Ref.: | ||||||||||||
Country: | Russia | |||||||||||
Spawning ground: | riverine | |||||||||||
Locality: | Volga (summer spawning) | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | |||||||||||
Sex ratio: | % Ref.: | |||||||||||
Temperature: | 8.2 - 15 °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: | The summer run of the winter sturgeons in the rivers occurs in May and June and spawns from the end of April through May at 8.2° to 15° C. | |||||||||||
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