枝角类通称水蚤，是一种低等的甲壳动物，体长０．２～１ｍｍ，广泛分布于各种水体中，其繁殖力强，生长快，营养价值高，是各种鱼、虾幼体阶段的良好饵料，受到养殖工作者的普遍重视。 枝角类的培养方式属间接培养，即先繁殖细菌和藻类，作为它的饵料。其基本方式如下：施肥有 Cladocera known as Daphnia, is a low crustacean, body length 0.2 ~ 1mm, widely distributed in a variety of water, its strong propagation, rapid growth, high nutritional value, is a variety of fish, shrimp Good feeding stage larvae, by the breeding workers of universal attention. Cladocera training methods are indirect training, which first breed bacteria and algae, as its food. The basic method is as follows: fertilization