Main Ref: | Morita, K., 2001 | |||||||||||
Data Ref.: | Morita, K., 2001 | |||||||||||
Country: | Japan | |||||||||||
Spawning ground: | riverine | |||||||||||
Locality: | Hitozuminai River, Hokkaido, 1997-99 | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | |||||||||||
Sex ratio: | 56 % Ref.: Morita, K., 2001 | |||||||||||
Temperature: | - °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: | Smolting takes place in Arpil and May; sea-run charr (first-time spawners) ascend rivers from June to August for spawning (Ref. 49600). |