| FishBase |
| Main Ref: | Rechlin, O., 1991 | ||||||||||||
| Country: | |||||||||||||
| Locality: | Western and southwestern Baltic | ||||||||||||
| Ecosystem: | |||||||||||||
| Absolute Fecundity | Fecundity Type: | ||||||||||||
| min 13,000 | 33.9 (g) | 14.5 (cm) SL | Ref: Jenkins, J.T., 1902 | ||||||||||
| max 65,403 | 119 (g) | 21.5 (cm) SL | |||||||||||
| mean | (g) | (cm) | |||||||||||
| Comments on Fecundity: | |||||||||||||
| Relative Fecundity | |||||||||||||
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| Fecundity/length relationship ( F = a * L ^b): | |||||||||||||
| Size: (cm) | |||||||||||||
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| a: | 95% confidence limit: | ||||||||||||
| b: | 95% confidence limit: | ||||||||||||
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| Spawning Cycles: | (1/y) | Ref: | |||||||||||
| Comments: | Spawning occurs in coastal waters with low salinity in depth as shallow as 50 cm. Spawning starts sometimes at 1°C, peaks at 4°C in April and early May. Very good feeding conditions during summer followed by a mild winter can induce start of spawning in November with peaks in January/February. | ||||||||||||
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