Table 4.

Concentration-response relationship of African Catfish, Clarias gariepinus exposed to Cypermethrin.

Concentration μg/l	Log of conc.	24 h	%	48 h	%	72 h	%	96 h	%
8	0.90	1	6.67	2	13.3	4	26.7	6	40
10	1	3	20	4	26.7	6	40	8	53.3
12	1.079	7	46.7	8	53.3	9	60	11	73.3
14	1.15	12	80	12	80	13	86.7	14	93.3
16	1.20	15	100	15	100	15	100	15	100