斑点叉尾又称沟鲇、钳鱼,属于鲇形目、科鱼类,是我国从北美洲引进的一种大型淡水鱼类,现已成为我国淡水养殖的一个热门品种。近几年常规淡水鱼类行情不景气,很多养殖者将目光转向了名特品种上,而斑点叉尾近几年行情一直比较稳定,故成了很多养殖者的选择对象,但伴随而来的病害也是令养殖者头疼的问题。 Channel catfish  also known as ditch 鲇, tweezers, belonging to 鲇 shaped head,  family of fish, is introduced from North America, a large freshwater fish, has become China’s freshwater aquaculture a popular species. In recent years, conventional freshwater fish market downturn, many farmers will turn their attention to the special species, and Channel Catfish 行 market in recent years has been relatively stable, it has become the choice of many farmers, but with The disease is also a headache for growers.