主要參考文獻: | Scott, W.B. and E.J. Crossman, 1973 | |||||||||||
資料參考: | Pletcher, F.T., 1963 | |||||||||||
國家: | Canada | |||||||||||
產卵地: | riverine | |||||||||||
地點: | British Columbia | |||||||||||
季節: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | 111 | |||||||||
性別比: | % 參考文獻: | |||||||||||
溫度: | 8 - °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 migration of adult lampreys (sexually immature) occurs from July to October (Ref. 6885). Remains hidden under rocks until the following March before nest building and spawning in April (Ref. 1998). Most eggs are laid after a period of 12 hours (Ref. 1998). |