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| Main Ref: | Kottelat, M. and J. Freyhof, 2007 | |||||||||||
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| Locality: | Arctic Ocean | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | |||||||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | - °C | |||||||||||
| Gestation period: | month/s | |||||||||||
| Length of offspring: | cm | |||||||||||
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| Daily spawning frequency |
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| Comments: | Adults start upstream migration in late July - August and reach spawning sites by October - November and spawn in stretches with swift current and sand-pebble bottom, often under ice. Spawning lasts 5-7 days and fish leave spawning site soon after, migrating downstream to overwinter in deeper places of lower stretches of rivers together with older juveniles. | |||||||||||
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