Percocypris pingi belongs to the order Cypriniformes, family Cyprinidae, subfamily Percocypris pingi, and genus Percocypris pingi. Commonly known as: flower fish, green neck.
The body is slightly flattened laterally, the head is larger, the front end is pointed, the back of the head is flat and wide, and the back of the head is bulging. Mouth subsuperior, obliquely cleft, mandibular protrusion. There are 2 pairs of barbels, the muzzle barbels are slightly shorter than the chin barbels. The gill slits are large, and the gill membranes on both sides are very close together at the gill isthmus. The dorsal fin spines are weak and the trailing edge has fine teeth. The scales are smaller, and the scales on the chest and abdomen are even smaller, buried shallowly under the skin, and the lateral lines are slightly downward curved. The back of the body is blue-gray, and the sides and abdomen are white; most of the scales on the side of the body have a black edge, so they form neat straight stripes on the side of the body. There are scattered small black spots on the head and back; the dorsal fin, pectoral fin, and tail fin are slightly black.
Juvenile fish mostly live along the coast of tributaries or main streams, while adult fish swim in the middle and upper layers of water bodies in open water areas. It is a fast-moving, ferocious fish that specializes in hunting small fish. The fish reaches sexual maturity in 3 winter, and the reproductive period is around June. The spawning locations are all in the rapid water upstream.
Perch is mainly distributed in the main branches and tributaries of the upper reaches of the Yangtze River above Yichang, the Xijiang River Basin, Nanpanjiang River and other water systems. Another subspecies of perch - Pingi regani (P.pingi regani) is commonly known as: flower fish. Distributed in the Nanpan River water system and Fuxian Lake in Yunnan Province. The morphological difference of the spotted carp is that there are many scattered black spots on the side of the body, which do not form straight stripes, and the distance between the end of the pelvic fin and the starting point of the anal fin is less than the length of the snout.
Perch is a large economic fish in the production area. The output in the upper reaches of the Yangtze River is quite large. The common weight is 0.5-1 kg, and the maximum weight is 15 kg. Meat can be used for medicinal purposes and has the effects of expectorant, hemostasis and sedation; it is mainly used to treat acute and chronic bronchitis, gastric ulcer bleeding, hemoptysis, epistaxis, uterine bleeding, epilepsy, insomnia, menorrhagia and other diseases.
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