红鳍东方鲀分布于东海、黄海、朝鲜半岛西岸,近几年由于天然渔获量不断下降,价格攀升,导致养殖规模逐渐扩大。然而,由于红鳍东方鲀具有鼓气、相咬的生理习性,加之越冬期间鱼体抵抗力差,预防措施跟不上,使疑难病症接连发生,成活率平均只有50％～60％,造成养殖生产的不稳定。我们在金州养殖场调查发现,主要疾病有4类: Redfin Oriental Flounder is distributed in the East China Sea, the Yellow Sea and the West Bank of the Korean Peninsula. In recent years, due to the continuous decline of natural catches and rising prices, the scale of aquaculture is gradually expanding. However, due to the bream of red-billed oriental fish, bite the physiological habits, coupled with the fish during winter win poor resistance, keep up the precautionary measures so difficult problems occur in succession, the average survival rate of only 50% to 60%, resulting in farming Production instability. Our survey in Jinzhou farms found that there are 4 major diseases: