Main Ref: | Billard, R., 1997 | |||||||||||
Data Ref.: | ||||||||||||
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). |