鳜鱼又名桂鱼,季花鱼,鳌花鱼,属鲈形目,(鱼旨)科,是驰名中外的淡水名贵食用鱼,其肉质鲜嫩,少肌间刺,富含人体必需的氨基酸。近年来,随着鳜鱼养殖生产的发展,鳜鱼,尤其是鳜鱼苗种阶段常见的疾病日益成为限制其成活率、生长的制约因素,严重影响经济效益。笔者从1991年至2000年十年间对鳜鱼常 Anchovy, also known as mandarin fish, season flowers, arowana, is Perciformes, (fish purpose) Section, is renowned at home and abroad of freshwater rare fish, its meat quality is tender, less interspinous, rich in essential amino acids . In recent years, with the development of catfish breeding production, common diseases such as catfish, especially catfish fry, are increasingly becoming the limiting factors restricting the survival rate and growth of catfish, which seriously affect the economic benefits. The author from 1991 to 2000 ten years of nautilus often