In the Koto Panjang Dam, there were 3 zones that have different characteristics. The inlet zone characterized by slow current (St1, 0.83m/sec), in the middle of the lake the current was faster (St2, 1.23 m/sec) and there were floating net cageactivities and thus fish feed remains present in the water. Whilein theoutlet area the current was stronger (St3, 1.49 m/sec), and there was no aquacultur…