Table 1.

Predation of Clarias gariepinus on Anopheles arabiensis larvae during day light and day night hours

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 values
			Average consumed (SE)	Percent consumed	Average consumed (SE)	Percent consumed
Small	50	Adequate	41.7 (6.1)	83.3	46.7 (3.3)	93.3	0.119
	50	Inadequate	41.7 (4.4)	83.3	50.0 (0.0)	100.0	0.001
	50	No food	40.7 (2.3)	81.3	43.3 (6.7)	86.7	0.461
	100	Adequate	76.3 (11.6)	76.3	100.0 (0.0)	100.0	<0.001
	100	Inadequate	76.7 (8.8)	76.7	93.3 (6.7)	93.3	0.018
	100	No food	78.3 (6.0)	78.3	100.0 (0.0)	100.0	0.001
	150	Adequate	146.0 (1.2)	97.3	148.3 (1.7)	98.9	0.558
	150	Inadequate	135.3 (2.9)	90.2	150.0 (0.0)	100.0	0.023
	150	No food	130.0 (10.4)	86.7	150.0 (0.0)	100.0	0.008
Large	50	Adequate	45.0 (2.9)	90.0	50.0 (0.0)	100.0	0.022
	50	Inadequate	40.0 (2.9)	80.0	50.0 (0.0)	100.0	<0.001
	50	No food	41.0 (2.1)	82.0	50.0 (0.0)	100.0	0.002
	100	Adequate	79.0 (0.6)	79.0	100.0 (0.0)	100.0	0.001
	100	Inadequate	76.7 (1.7)	76.7	100.0 (0.0)	100.0	<0.001
	100	No food	76.7 (7.3)	76.7	100.0 (0.0)	100.0	<0.001
	150	Adequate	105.0 (2.9)	70.0	150.0 (0.0)	100.0	<0.001
	150	Inadequate	110.0 (2.9)	73.3	150.0 (0.0)	100.0	<0.001
	150	No food	120.0 (5.8)	80.0	150.0 (0.0)	100.0	0.001

Note: Average larvae consumed is the mean of the number of larvae consumed for three replicate experiments

P values significance test on the comparison of percent of Anopheles arabiensis larvae consumed between day light and day night hours