黄颡鱼俗称嘎鱼,属于淡水温水性鱼类,在我国淡水水域广有分布。我国在20世纪末就开始了黄颡鱼的人工繁殖及成鱼养殖工作,但发展一直比较缓慢。主要原因是苗种培育成活率低,特别是1~3cm阶段死亡率相当高,是黄颡鱼养殖死谷,成为黄颡鱼养殖的主要限制因素。有关专家普遍认为该阶段 Catfish commonly known as Ga fish, belonging to freshwater warm water fish, widely distributed in China’s freshwater waters. At the end of the 20th century, China started the artificial breeding and fish farming of catfish, but its development has been slow. The main reason is that the seedling survival rate is low, especially in the stage of 1 ~ 3cm. The mortality rate is very high, which is the main culprit of the catfish cultivation. Experts generally believe that stage