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| Main Ref.: | Billard, R., 1997 | |||||||||||
| Data Reference: | ||||||||||||
| Country: | France | |||||||||||
| Spawning ground: | ||||||||||||
| Locality: | France | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 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: | During spawning, the males have more vivid colors and have nuptial tubercles on the head and the opercle. Eggs are deposited on gravel bottoms, in swiftly flowing water (Ref. 30578). | |||||||||||
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