National second-level protected fish include: yellow lip fish, Songjiang perch, Kryptonian seahorse, Chinese mullet, Tang fish, big head carp, gold barbel, Dali Schizothorax, flower eel, Sichuan Shaanxi Zhe Salmon.

1. Yellow-lip fish

It belongs to the genus Yellow-lip fish, belonging to the order Perciformes and the family Kingfish, family of bony fishes. The body of the yellow-lipped fish has a raised back, a wide arc-shaped ventral edge, a slender tail stalk, a medium-large head, flat sides, a short and pointed snout, and a complete lateral line that almost extends to the end of the tail. The dorsal side of the body is brownish gray with a slight orange yellow, the ventral side is grayish white with a slight yellowish color, there is a black spot under the armpit of the pectoral fin, the pelvic fin and anal fin are light-colored, and the caudal fin is gray-black. The body length is 1 to 1.5 meters and the weight can reach 50 kilograms.

2. Songjiang Perch

Songjiang Perch belongs to the family Sculpinidae. The head is large, broad and flat, with spines and ribs covered by skin. The snout is broad and blunt, with a rounded center protrusion on the back. There are 2 nostrils on each side, both with short tubular protrusions. The eyes are small and positioned upward. Mouth is large, anterior position. The opercular bone has a longitudinal edge. Gill openings are wide. The body has no scales and the lateral lines are straight. The head and back of the body are yellowish brown, the abdomen is grayish white, and there are dark stripes on the snout, under the eyes, between the eyes and on the side of the head.

3. Seahorse fish

Seahorse is a small fish with a peculiar shape. The head is shaped like a horse's head and has 5 lobes on the tip. It has short spines, the head and the trunk form a right angle, and the surface of the body does not have the scales that most fish have. It is flattened on the side and is wrapped by annular bone plates. It looks like a war horse wearing armor, so it is called Called "Seahorse Fish".

4. Chinese mullet fish

Cypriniformes, family mullet family, and genus mullet fish. The body is oblong in side view, flat on the sides, and the body is highest at the starting point of the dorsal fin; the abdomen is wide and round, and the ventral edge is straight; except for the head, the body is completely covered with scales, the scales are round, the center of the scales is in the center, the annular stripes are fine, and there are sparse ones backward. Radial patterns. The lateral line is straight and centered. The front of the dorsal fin, the anal fin, the rear end of the tail fin and the even fins of small fish are all red and black, while the color of large fish is lighter.

5. Tang fish

Cypriniformes, Cyprinidae, are endemic to my country. Tang fish has a small body, long and flat sides. The abdomen is round with no abdominal ribs. The muzzle is short and blunt. They mostly live in clear streams and micro-flowing water environments in mountainous areas. Sexually active. Although they are a group living in the south, they are still cold-tolerant and can still live normally when the water temperature drops to 5°C. Omnivorous small fish, mainly feed on zooplankton and humus.

6. Big-headed carp

Cypriniformes, family Cyprinidae, genus Cyprinidae. The body shape of big-headed carp is very similar to carp, but its head is wider and its body is similar to carp, so it is named "big-headed carp". The body is 40cm long, without whiskers, or with a pair of tiny whiskers at the corners of the mouth. The body is bluish gray, the abdomen is silvery white, the even fins and caudal fin are light yellow, and the lower leaf of the caudal fin is reddish. The caudal peduncle is slender. It is endemic to China and is only distributed in Xingyun Lake and Qilu Lake in Yunnan.

7. Cypriniformes

Cypriniformes, family Cyprinidae, genus Cyprinidae. As a species endemic to my country, almost all species cannot live and reproduce without the cave environment. It is commonly found in various lakes in eastern Yunnan, among which Yangzonghai and Dianchi Lake are the most common. They mostly live in still water lakes with relatively open water surfaces, and usually live scattered at the exits of lakes or in deeper areas of accumulated water.

8. Dali Schizothorax

The genus Schizothorax, subfamily Schizothorax, family Cyprinidae, is endemic to China and is distributed in the Erhai Lake of Yunnan and its affiliated water systems. The body is slender and slightly flattened laterally. The head is small and slightly tapered. The kiss is slightly pointed. At the end of the mouth, the oral fissure is deep, upwards sloping, and horseshoe-shaped. The upper and lower jaws are approximately equal in length, and the inner side of the mandible is slightly keratinous without a sharp keratinous front edge; the lower lip is thin and narrow, divided into left and right lobes, with a smooth surface without papillae, and the posterior labial groove is interrupted.

9. Flowered eels

Animals from the family Anguidae and the genus Anguilla. The body shape is like an eel, with a long body, a thick cylindrical front part, and a flattened tail side. The head is conical, and the distance between the starting points of the back and anal fins is shorter. The kiss is flat. The corner of the mouth extends beyond the back edge of the eye. The lower jaw is slightly protruding, with no teeth in the center; the front ends of the two jaws have clusters of fine teeth, and the lateral teeth are in rows. It is one of the typical migratory fishes that descend into rivers. Grows in estuaries, swamps, rivers, lakes, reservoirs, etc. The temperament is fierce, the body is strong and powerful.

10. Sichuan-Shaanxi Zheluo salmon

Salmoniformes, Salmonidae.

Carnivorous fish, living habits and other similar to fine salmon, like to prey on large aquatic insects, fish, amphibians, water birds and aquatic mammals. In China, it is mainly distributed in the upper reaches of the Han River in Taibai and Liuba in Shaanxi, the Malke River in Banma in Qinghai, and the upper reaches of the Minjiang River and Dadu River in northwest Sichuan.