| Main Ref.: | Scott, W.B. and E.J. Crossman, 1973 | |||||||||||
| Data Reference: | Mansueti, R.J., 1955 | |||||||||||
| Country: | USA | |||||||||||
| Spawning ground: | riverine | |||||||||||
| Locality: | St. John's River, Florida | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | 111 | ||||||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | 13 - 18 °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: | Mean population fecundity = total annual egg production of the average female: St. John's River, Florida: 412,000; St. John's River, New Brunswick: 155,000 (Ref. 38955). | |||||||||||