Chagan Lake is famous for winter fishing, and Chagan Lake is even more famous for its fat-headed fish. Chagan Lake has vast water surface and vast mist, and is rich in 38 kinds of fish including bighead carp, carp, grass and crucian carp. Because the ecological environment of Chagan Lake is well protected, the water quality is pollution-free, and the fish here do not need artificial feeding. They all grow up by eating grass seeds, insects, eggs, and aquatic plants in the lake. It is known as pure natural and green organic food. . Among them, the bighead carp (commonly known as "fat-headed fish") in Chagan Lake is the most famous. According to information, Chagan Lake fathead fish has obtained the national green food double-A certification, and has also been recognized as a Chinese famous brand product by the Ministry of Agriculture. "The water in Chagan Lake is slightly alkaline, which is particularly suitable for the growth of fat-headed fish.