Sichuan-Shaanxi Zheluo salmon belongs to the class Fish, order Salmoniformes, and family Salmonidae. The Latin scientific name is Hucho bleekeri, and it is also called Sichuan salmon, Blecher's salmon, tiger fish, cat fish, tiger fish, etc. 1 In China, it is mainly distributed in Sichuan and Shaanxi in the west and Heilongjiang in the northeast. The body is slender, and the largest one can reach about 2 meters in length. There are sharp teeth arranged on the upper and lower jaws of the mouth, and there are fleshy fins on the back. It is a cold-water fish that usually inhabits waters with clear water quality and low water temperature. It mainly feeds on the carrion of various fish and other animals in the water.