Perch is distributed in the western Pacific Ocean, the coastal areas of China and the fresh water bodies leading to the sea, mainly in the Yellow Sea and Bohai Sea. It is one of the common economic fish, and it is also a species to develop marine culture. The main producing areas are Qingdao, Shidao, Qinhuangdao and Zhoushan Islands. The fishing season is spring and autumn, and the annual fishing season is 10 to 1 1. I like to live in salty and fresh water in the estuary, and I can also live in fresh water. It is fierce and feeds on fish and shrimp. Individuals are large, and can grow up to 30 ~ 50 kg at most, generally 3 ~ 5 kg.