Main Ref: | Spratte, S and U. Hartmann, 1998 | |||||||||||
Data Ref.: | Spratte, S and U. Hartmann, 1998 | |||||||||||
Country: | Germany | |||||||||||
Spawning ground: | riverine | |||||||||||
Locality: | Schleswig-Holstein | |||||||||||
Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | |||||||||||
Sex ratio: | 40 % Ref.: Smolian, K., 1920 | |||||||||||
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: | Spawns among stones, roots, branches and plants; larvae hatch after 7-11 days. |