Table 2 Predation of Clarias gariepinus on Culex mosquitoes during light and night hours
From: Assessment of Clarias gariepinus as a biological control agent against mosquito larvae
Fish size | Number exposed | Fish food | Light hour (From 6:00 am to 6:00 pm) | Night hour (from 6:00 pm to 6:00 am) | p value | ||
|---|---|---|---|---|---|---|---|
Average consumed (SE) | Percent consumed | Average consumed (SE) | Percent consumed | ||||
Small | 50 | Adequate | 25.0 (2.9) | 50.0 | 50.0 (0.0) | 100.0 | <0.001 |
50 | Inadequate | 40.0 (2.9) | 80.0 | 50.0 (0.0) | 100.0 | 0.001 | |
50 | No | 45.0 (2.9) | 90.0 | 50.0 (0.0) | 100.0 | 0.023 | |
100 | Adequate | 60.0 (8.7) | 60.0 | 100.0 (0.0) | 100.0 | <0.001 | |
100 | Inadequate | 85.0 (2.9) | 85.0 | 100.0 (0.0) | 100.0 | 0.004 | |
100 | No | 80.0 (2.0) | 80.0 | 100.0 (0.0) | 100.0 | 0.001 | |
150 | Adequate | 146.0 (1.2) | 97.3 | 150.0 (0.0) | 100.0 | 0.217 | |
150 | Inadequate | 125.0 (2.9) | 83.3 | 150.0 (0.0) | 100.0 | 0.002 | |
150 | No | 110.0 (5.8) | 73.3 | 150.0 (0.0) | 100.0 | <0.001 | |
Large | 50 | Adequate | 41.7 (4.4) | 83.3 | 50.0 (0.0) | 100.0 | 0.002 |
50 | Inadequate | 25.0 (2.9) | 50.0 | 43.3 (2.0) | 86.7 | <0.001 | |
50 | No | 23.3 (1.7) | 46.7 | 50.0 (0.0) | 100.0 | <0.001 | |
100 | Adequate | 40.0 (2.9) | 40.0 | 100.0 (0.0) | 100.0 | <0.001 | |
100 | Inadequate | 40.0 (2.9) | 40.0 | 90.0 (2.9) | 90.0 | <0.001 | |
100 | No | 16.7 (4.4) | 16.7 | 100.0 (0.0) | 100.0 | <0.001 | |
150 | Adequate | 40.0 (5.8) | 26.7 | 150.0 (0.0) | 100.0 | <0.001 | |
150 | Inadequate | 50.0 (5.8) | 33.3 | 150.0 (0.0) | 100.0 | <0.001 | |
150 | No | 30.0 (5.8) | 20.0 | 150.0 (0.0) | 100.0 | <0.001 | |