淡水鱼锚头鳋病是由锚头鳋侵袭鱼类体表所致。病鱼体表可见虫体,四周组织发炎,靠近伤口的鳞片被锚头鳋的分泌物溶解,腐蚀成缺口。病鱼表现为不安,食欲减退,游动缓慢。此病主要危害链、鳙、草等鱼,对幼鱼危害较大。此病流行甚广,终年可见。 锚头鳋在12～33℃的水中均可繁殖,4～10月份是该病的流行季节。猫头鳋成虫的寿命长短与水 Anchovy in freshwater fish is caused by the invasion of fish by the anchovy 鳋. Diseased fish body surface can be seen parasites, tissue around the inflammation, the scales near the wound was dissolved by the secretion of the anchovy, eroded into a gap. Diseased fish showed unease, loss of appetite, slow swimming. The disease mainly endangers the chain, 鳙, grass and other fish, more harmful to juveniles. The disease is very prevalent and can be seen throughout the year. Anchovy 鳋 in 12 ~ 33 ℃ water can reproduce, 4 to October is the epidemic season. Cat’s head adult life expectancy and water