Main Ref: | Kottelat, M. and J. Freyhof, 2007 | |||||||||||
Data Ref.: | ||||||||||||
Country: | ||||||||||||
Spawning ground: | ||||||||||||
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. |