Golden-year-old fish are also called Ding Fu and Ding Fu, and also known as Odin Fu, Ding Gui Yu, Jin Salmon, Ding Salmon, Jin Sui Fish, etc. Different places have many different names. There are four colors on the body surface: green, yellow, blue and white. At the same time, the meat is tender, delicious and has high nutritional value. It is one of the main economic fish in freshwater culture.