鲈鱼属广温广盐性鱼类。近年来，不少地区利用淡水进行鲈鱼养殖也取得了成功，随着海淡水养殖规模的不断扩大，对苗种的需求也逐年扩大，但是鲈鱼的工厂化人工育苗技术又不很成熟，大部分养殖场家主要依靠天然苗，而其产地又比较集中，许多养殖场离产苗海区距离较远，需经长途 Perch is a wide temperature broad-salt fish. In recent years, the use of freshwater for bass breeding has also been successful in many areas. With the continuous expansion of sea freshwater aquaculture, the demand for seedlings has also been expanded year by year. However, the artificial seedling cultivation technology for perch is not very mature, and most Farms rely mainly on natural seedlings, and its origin is more concentrated, many farms far away from the Miao district, long distance