在日本,由于近几年河鱼病害发生的复杂性,给河鱼养殖带来相当的危害。原本在养殖业中具有相当水准和经验的养殖业者,也为目前所遭遇河鱼复杂病害的侵扰而无奈。本文以2004年在三瓶湾海域所发生的河鱼养殖病害的诊断为例,做如下叙述。1河鱼养殖病害发生的种类数量与特 In Japan, due to the complexity of the occurrence of river catfish diseases in recent years, it has brought considerable harm to the cultivation of river catfish. Aquaculture operators, who originally had considerable standards and experience in aquaculture, are also frustrated by the current intrusion of the complex diseases of river tuna. This article takes the diagnosis of the diseases of the river catfish breeding occurred in the area of ​​Sanbin Bay in 2004 as an example and makes the following description. 1 River catfish breeding diseases, the number of species and special