是一种小型的杂食性淡水鱼类，在全国各个水系皆有分布。在养蚌水域里，不仅与珠蚌争食，消耗水体溶氧，而且它的这种必须通过受精卵寄生于贝类鳃瓣上繁衍后代的繁殖习性，大大影响了蚌体的呼吸，导致蚌体体质下降，极易间接引发或加重蚌病，甚至直接造成珠蚌死亡，严重影响育 Is a small, omnivorous freshwater fish that is distributed throughout the country. In the clam waters, not only fight against the pearl mussels, consumption of water dissolved oxygen, and its this must be fertilized ovipositor shellfish multiplication offspring breeding habits, greatly affected the clam body breathing, resulting in mussels Physical decline, easily lead or aggravate mussel disease, or even directly caused by the death of pearl mussels, seriously affecting the education