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Main Ref: | Jones, P.W., F.D. Martin and J.D. Hardy Jr., 1978 | |||||||||||
Data Ref.: | Smith, H.M., 1909 | |||||||||||
Country: | USA | |||||||||||
Spawning ground: | lacustrine | |||||||||||
Locality: | not specified | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | 111 | 111 | 111 | |||||||
Sex ratio: | % Ref.: | |||||||||||
Temperature: | 16.4 - 23 °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: | Egg production is abundant in hatcheries at 22°-23°C (Ref. 39169). Average fecundity: 96,200 eggs in 15-24 cm fishes (Ref. 39176). Peak spawning activity occurs in April and May (Ref. 39180). Also Ref. 39178, 39179. | |||||||||||
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