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Main Ref: | Chrzan, F., 1949 | |||||||||||
Data Ref.: | ||||||||||||
Country: | Poland | |||||||||||
Spawning ground: | ||||||||||||
Locality: | Baltic, ICES SD 25-32, Gdansk deep and Gotland Basin | |||||||||||
Season: (% mature females) |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
9 | 36 | 99 | 95 | 100 | 83 | 32 | 6 | |||||
Sex ratio: | 54 % 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: | Another estimate of F/L is F=0.6082 * L^3.587, n=71, 40-95 TL (Ref. 5912). The sex ratio in the Gotland Basin is 41% females (Ref. 5921). | |||||||||||
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