1, according to the fish trading website, perch is a general term for a variety of fishes under the suborder Perciformes, which are both marine fish and freshwater fish. The common ones are perch of Percidae, perch of Songjiang of Dufu Family, perch of Seven Stars of Percidae, and perch of California of Sunfish Family. Sunfish is a famous freshwater fish, which is native to the southern part of the United States. It is easy to breed, so perch is expensive.

2. Perch is distributed in all coastal areas of China, and the price is 15-25 yuan. The market price of sunfish is about tens of yuan per catty, so perch is expensive. Most people can eat fish, especially those who are hungry and need to prevent osteoporosis.