The higher the D.O. the higher the percentage survival rate. The highest average percentage survival rate in all the treatments is 25 ppm at 77.04 %, followed by 20 ppm, 15 ppm and 10 ppm at 69.63%, 54.81%, 43.70%, respectively, however 20 ppm yield high survival as compared with no significant difference 25 ppm based on the statistical result.