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| Main Ref: | Carlander, K.D., 1969 | |||||||||||
| Data Ref.: | Katz, M., 1954 | |||||||||||
| Country: | USA | |||||||||||
| Spawning ground: | riverine | |||||||||||
| Locality: | entire range | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | 111 | 111 | |||||||||
| Sex ratio: | % Ref.: | |||||||||||
| Temperature: | 16 - 19 °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: | Spawn in shallow, sluggish, or stagnant water up to 1.2 m deep or deeper among thick vegetation in hollowed-out, more or less circular or elliptical depressions, 455-760 mm in greatest diameter, and with bottoms of fibrous roots, water-soaked leaves or gravel; also under stumps, logs, and bushes. Number of eggs per nest 2000-5000 (Ref. 4639). Spawn usually at night, occasionally by day with spawning lasting 1-3 hours (Ref. 4639). | |||||||||||
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