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| Main Ref: | Kottelat, M. and J. Freyhof, 2007 | |||||||||||
| Data Ref.: | ||||||||||||
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| Locality: | Black Sea, Sea of Azov, Caspian Sea | |||||||||||
| 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: | Spawns in shallow areas, at 0.5-0.8 m depth (also reported down to 20 m), with some current, hard sand, mud or clay bottom and with little vegetation. Spawns in empty molluscs shells. (Ref. 59043). Also Ref. 4696. | |||||||||||
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