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Main Ref: | Keith, P. and J. Allardi (coords.), 2001 | |||||||||||
Data Ref.: | Keith, P. and J. Allardi (coords.), 2001 | |||||||||||
Country: | France | |||||||||||
Spawning ground: | estuarine | |||||||||||
Locality: | France | |||||||||||
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: | Eggs (10000-50000 per female) adhere to sand or gravel substrate where they remain attached during the first part of embryonic development; then they are drifted by the current (Ref. 30578). Incubation period between 20-40 days. Fry move down the river and into the sea after hatching. | |||||||||||
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