鱼苗气泡病是一种常见病。其症状为:鱼苗患气泡病初期感到不适,在水面作无力游动,不久鱼体表、头部、鳍条、鳃丝内、体内肠道出现气泡,当气泡不大时,鱼还能抵抗其浮力而向下游动,但身体已失去平衡,尾部向上,头部朝下,时游时停,随着气泡的增大及体力的消耗,失去自由游泳能力而浮在水面直至死亡。 Fry bubble disease is a common disease. The symptoms are: fry suffering from air bubble early discomfort, unable to swim in the water, and soon the fish table, head, fin, gill filaments, intestinal bubbles appear in the body, when the bubble is not large, the fish can resist Its buoyant and downward movement, but the body has lost its balance, the tail up, head down, stop when swimming, with the increase of air bubbles and physical exertion, loss of free swimming ability to float to the surface until death.