鲈鱼系属鲈形目、花鲈属，广布于我国沿海以及日本、朝鲜半岛沿岸，属浅海近岸中下层经济鱼类。由于生长速度快，抗病力强，对环境条件适应性强，现已成为主要的养殖鱼类之一。近年随着养殖规模的不断扩大，对苗种的需求不断增长，作者在威海市羊亭水产公司育苗场进行鲈育苗试 Perch is a Perciformes, perch is genus, widely distributed in China’s coastal and Japan, the Korean Peninsula coast, is a shallow-water nearshore economic fish. Due to its fast growth rate, strong disease resistance and strong adaptability to environmental conditions, it has become one of the major cultured fish species. In recent years, with the growing scale of breeding, the growing demand for seedlings, the author of Weihai City, Yangting Aquaculture Company nursery for perch breeding test