Mandarin fish, also known as squid, is a carnivorous scaly fish; Taxonomically, it belongs to fatty fish. Siniperca chuatsi has a flat body, a bulging back, a thick body and a pointed head. It is one of the "four famous freshwater fish" in China. The meat of mandarin fish is tender, with less thorns and more meat. Its meat is petal-shaped and delicious, and it is really the best among fish. Zhang, a poet in the Tang Dynasty, wrote a famous sentence in his "Fishing Song", "Egrets fly in front of the Cisse Mountain, and the peach blossoms are flowing and the mandarin fish is fat", and he is full of praise for this kind of fish.