Main Ref: | Jones, P.W., F.D. Martin and J.D. Hardy Jr., 1978 | |||||||||||
Data Ref.: | Smith, B.A., 1971 | |||||||||||
Country: | USA | |||||||||||
Spawning ground: | riverine | |||||||||||
Locality: | Delaware River | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | ||||||||||
Sex ratio: | % Ref.: | |||||||||||
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: | Spawning period: late April through mid-June, peaking during last half of May (Ref. 4639). |