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| Main Ref: | Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983 | |||||||||||
| Data Ref.: | ||||||||||||
| Country: | USA | |||||||||||
| Spawning ground: | riverine | |||||||||||
| Locality: | USA | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | 111 | 111 | 111 | 111 | |||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | 4 - 11 °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 principally in large rivers, often near the sea but sometimes up to 966 km inland. Young travels to the sea after hatching, or may remain in freshwater for about 1 year. Most return to spawn after 4 to 5 years. | |||||||||||
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