invertebrate pests especially in Malaysia. These pesticides usually enter aquatic
environment by direct application or through overspray, runoff and watersheds. However,
applications of pesticides may cause adverse impacts to many non-target organisms such
as fish. The objective for this study was to determine the 96 hours lethal concentration
(LC50) of each pesticide in climbing perch, Anabas testudineus. A total of 130 A. testudineus …