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| Main Ref: | Morrow, J.E., 1980 | |||||||||||
| Data Ref.: | ||||||||||||
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| Spawning ground: | ||||||||||||
| Locality: | Baltic Sea | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | |||||||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | 1.5 - 2 °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: | Spawns from mid-December to January on soft bottom at depths of 15 to 20 m (Ref. 27547). Fecundity is low, 792 to 6,150, but in some populations reaches to almost 18,000 eggs (Ref. 28902). | |||||||||||
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