copepod

" Water flees fleas" are not insects but copepods, a crustation crustacean like lubster lobsters and crubs crabs but extremely small.

水蚤不是昆而是的动物，像龙虾或螃蟹那样有甲壳的，但是非常小的。

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中的足无节幼、足幼毛担轮幼,但还摄食少量的颗粒有机碎屑。