养过鱼的人们都知道，人工饲养下的鱼池中，或多或少都有野杂鱼的存在。它们的存在，在一定程度上直接或间接地影响了所养鱼类的正常生长，给渔业生产带来一定的经济损失。池塘中的野杂鱼主要有麦穗鱼、餐条、棒花鱼、泥鳅等等，这些野杂鱼不仅抢食力强、摄食量大、生长缓慢， People who raise fish know that the fish ponds under artificial feeding have more or less the existence of wild trash fish. Their existence, to a certain extent, affects the normal growth of fish raised directly or indirectly, bringing some economic losses to fishery production. Wild fish in the pond are mainly wheat fish, meal bar, barbary fish, loach and so on, these wild trash fish not only grab strong feeding, food intake, slow growth,