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| 主要參考文獻: | Alt, K.T., 1988 | |||||||||||
| 資料參考: | Alt, K.T., 1988 | |||||||||||
| 國家: | Alaska | |||||||||||
| 產卵地: | riverine | |||||||||||
| 地點: | Upper reaches of Alaskan rivers | |||||||||||
| 季節: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | |||||||||||
| 性別比: | % 參考文獻: | |||||||||||
| 溫度: | 0 - 4 °C | |||||||||||
| Gestation period: | month/s | |||||||||||
| 子代的長度: | cm | |||||||||||
| 批次產卵者 | ||||||||||||
| 每日的產卵頻度 |
- Mean: |
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Min Ref.: Max Ref.: Mean Ref.: |
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| 建議與指正: | Spawning occurs in upper reaches of the rivers, mainly in vicinity of the Arctic Circle. Water depth of 1.2-2.3 m, current speed of 0.9-2.7 m/s and bottom comprised of differentially sized gravel (10-100 mm) are common to all spawning grounds. Inconnu often spawns when rivers are freezing. Spawning probably occurs once every 2, 3, or 4 years (Ref. 1998). | |||||||||||
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