Avoiding the water fleas can be easy.

避开水蚤可能很容易。

The infected water fleas come from drinking water.

受感染的水蚤来自饮用水。

Water fleas eat the guinea worm larvae.

水蚤吃麦地那龙线虫幼虫。

They live in water with another small organism, the water flea.

它们和另一种小型生物——水蚤一起生活在水中。

The poison did not kill the tiny water fleas, but it did effectively exterminate much larger species.

这种毒药并没有杀死微小的水蚤，但却有效地消灭了更大的物种。

One day the rice farmers noticed that much of this wildlife was dying, apart from the water fleas.

一天，稻农们注意到，除了水蚤之外，许多野生动物正在死亡。

These ecosystems are home to minute water fleas known as Daphnia as well as crayfish and Japanese rice fish, called medaka.

这些生态系统是被称为水蚤的微小水蚤、小龙虾和日本稻鱼的家园。