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| Main Ref: | Allardi, J. and P. Keith, 1991 | |||||||||||
| Data Ref.: | Keith, P. and J. Allardi (coords.), 2001 | |||||||||||
| Country: | France | |||||||||||
| Spawning ground: | lacustrine | |||||||||||
| Locality: | France | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | 111 | ||||||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | 5 - 6 °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: | Breeds often in about 10 m depth over rocky or gravelly substrate which are often pathways of lacustrine currents (Ref. 5972). Certain forms may spawn in the water surface. The number of eggs spawned correspond to the ratio of 1,000 eggs for every kilo of female (Ref. 2196). | |||||||||||
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