The removal rates of NH3-N and TP were the highest and high up to 89% and 81% respectively by combination of fly ash and airbrick detritus.

粉煤灰和空心砖粉块配合使用去NH3-N和TP综合效果最好，分别达到了89%和81%。

5 to 7 days' larve after hatching larvae mostly lived on copepod nauplii, copepodites and trochophore of Polychaeta in water of the earthen ponds, apart from feeding on particulate organic detritus.

孵化后5～7日龄仔鱼基本上依靠摄食土池水桡足类无节幼、桡足幼和多毛类担轮幼,但还摄食少量颗粒有机屑。