溶氧超标毒水症。水体溶氧过量会造成水体富营养化,使鱼发生气泡病等多种病症。鱼鳃上黏附许多小气泡,使鱼体上浮或游动时失去平衡。鱼肠道中有白色气泡,或鱼的体表、鳍条、鳃丝上附有较多的气泡,鱼体漂浮于水面,严重的 Dissolved oxygen exceeding toxic water disease. Excessive dissolved oxygen in the water body can cause eutrophication, so that the fish bubble disease and other diseases. Many small bubbles stick to the fish’s gills, making the fish unbalanced when floating or swimming. There are white bubbles in the fish intestine, or fish’s body surface, the fin, gill filaments with more bubbles, the fish floating in the water, serious