Qinling fine-scaled salmon is also known as fine-scaled fish, fine-scaled salmon, flower fish, plum blossom fish, golden plate fish, Lu flower fish, five-color fish and Lu fish. The Qinling slender salmon belongs to the class Fish, the order Salmoniformes, the family Salmonidae, and the genus squid. The body of Qinling fine-scaled salmon is long and spindle-shaped, slightly flattened laterally. The head is blunt, the back of the head is broad, and the center is slightly convex. The muzzle is not prominent or slightly projecting. At the end of the mouth, the lower jaw is slightly shorter than the upper jaw, and the back end of the maxilla reaches below the center of the eye. The upper and lower jaws, vomer and palatine bones each have one row of canines. The tongue is thick and free, with about 10 lingual teeth arranged in a "∧" shape. The eyes are large, the gill openings are large, and the gill membrane is not connected to the isthmus. The scales are small and the lateral lines are complete and straight. The dorsal fin is short and the outer edge is slightly concave; the adipose fin is opposite to the anal fin; the pelvic fin extends backward and does not reach the anus, and there is a long axillary scale at the base of the fin; the caudal fin is forked. There are 65 to 75 pyloric caeca. The back of the body is dark brown, and gradually turns white from the sides to the abdomen. There are long oval black spots scattered on the back and both sides of the body. The edges of the spots are light red rings. There are 4 to 5 round black spots along the base of the dorsal fin and on the adipose fin. .

The Qinling squid is a remnant species that migrated south from the north during the Ice Age. It is a cold-water foothill fish. It lives in mountain streams at an altitude of 900 to 2,300 meters in the Qinling Mountains. The water is fast, clear, and the bottom is mostly large gravels. In late autumn, they overwinter in deep pools or deep troughs of rivers. Except during flood periods, it is rarely seen in the main streams of the plains.