Main Ref: | Winker, H., O.L.F. Weyl, A.J. Booth and B.R. Ellender, 2011 | |||||||||||
Data Ref.: | Winker, H., O.L.F. Weyl, A.J. Booth and B.R. Ellender, 2011 | |||||||||||
Country: | South Africa | |||||||||||
Spawning ground: | lacustrine | |||||||||||
Locality: | Lake Gariep, (30°38'S; 25°46'E), Orange River, 2006-2008 | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | ||||
Sex ratio: | 52 % Ref.: Winker, H., O.L.F. Weyl, A.J. Booth and B.R. Ellender, 2011 | |||||||||||
Temperature: | 17 - °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 activity was highest at high water levels and at temperatures in excess of 17°C; decreased spawning noted with receding water levels during late summer and early autumn (Ref. 88006). |