Yunnan Schizothorax fish, local names: Leptospira, Bowfish. Schizothorax yunnanensis is a species of Schizothorax in Cyprinidae. The body is long and narrow, slightly flat on the side. Generally, it is about 15 cm long, and the largest one can reach 30 cm. The head is tapered and the mouth is lower. The lower lip is fleshy, the trailing edge is free, with left and right lobes, no obvious middle lobe, discontinuous posterior labial groove, micro-keratinization of the medial mandible, but no sharp edge is formed. Must be 2 pairs, several equal lengths, slightly longer or equal to the eye diameter. The end of the snout reaches below the posterior edge of the nostril; The end of the mustache reaches below the middle of the eyeball. The hypopharyngeal teeth are 3 rows, slender and curved at the top. The scales are small, and the abdomen is bare and scaleless from branchial gorge to the bottom of pectoral fin. Lateral line scales is larger than the body scale, and there are large scales on both sides of the anal fin. Dorsal fin Ⅲ8, unbranched fin with serrations at the trailing edge of the spines. Gluteal fin Ⅱ5. The back and sides of the body are bluish gray, with most irregular small black spots, and the abdomen is silvery white. Schizothorax yunnanensis is one of the four precious fishes in Yunnan, and it is also one of the national 12 second-class protected fishes, which has extremely high scientific research, economic, food and medicinal value.