reported LC50 value of deltamethrin in guppies as 5.13
mg/l. Mestres and Mestres [25] found 96-h fish LC50
values as follows: Salmo gairdneri, 0.39 mg/l; Cyprinus
carpio, 1.84 mg/l; and Sarotherodon mossambica, 3.50
mg/l. LC50 value of deltamethrin in Tilapia, Oreochromis
niloticus as15.47 μg/l was reported by Boateng et al. [23].