This paper deals with the possibility of fish culture in the effluent purified by simulation stabilization pond which is consisted of 4 cells with 45 days of hydraulic retention time. The effluent quality is improved remarkbly through simulation pond. Before purifying, the raw waste water contains high levels of BOD5, COD, NH3-N, PO4-P, chloride, mercury etc (Table 2.).Some 50 young fish (Tilapia mossambica) are reared in the effluent. 2 or 3 fish are caught out in different sampling time for examination of...