The study was designed and conducted to optimize the structure of polyculture for Penaeus vannamei, Siganus guttatus (omnivorous fish), Selenotoca multifasciata (carnivorous compare changes in yield, survival, utilization rates nitrogen (N) phosphorus (P). Five treatments were performed as follows: Control (C) (0.0719 kg/m3, 0, 0), PSS1(0.0719 0.0018 0.0008 kg/m3), PSS2 0.0033 0.0016 PSS3 0.004...