The living habits and geographical distribution of fish-like fish (false fish)

Luciocyprinus langsoni belongs to the order Cypriniformes, family Cyprinidae, subfamily Luciocyprinus, and genus Luciocyprinus langsoni. Commonly known as: stick fish, true line grunt, black line grunt, red tail grunt, pole minnow, pole striped fish, fragrant flower grunt, stick fish, pole striped fish.

The body is slender, slightly flattened on the sides, and the head is as long as the body. The muzzle is pointed, the mouth is large and terminal, the cleft is wide and straight. The upper and lower jaws are equal in length, and their ends extend backward to the lower edge of the eye; there is a hard protrusion on the inside of the front end of the mandible. No beard, large eyes, large gill slits, very small scales, about 100 lateral line scales, and complete lateral line. The dorsal fin has no hard spines; the pectoral fin, pelvic fin, and anal fin are all short; the caudal fin is long, deeply bifurcated, and has a pointed end. The body is silvery white, and the back is gray-black; there are black spots on the lateral line and 2-3 rows of scales above the lateral line, which are connected to form a vertical black broad stripe.

It mainly lives in rivers and lakes with a certain flow rate and is a middle-pelagic fish. The catfish is a good swimmer and ferocious, swimming around and attacking other fish. Juvenile fish with a body length of less than 16 centimeters mostly inhabit lakes, bays or still water bodies with relatively slow tributary flows. No clustering. Every year when the water rises, it goes up the river and when the water recedes, it goes down the river. The adult fish is one of the most ferocious fish. It often swims in the middle and upper layers of the water. When it encounters a palatable fish, it rushes forward to hunt it; because its upper and lower mandibles are both thick, and there are holes inside the front of the lower jaw. Small protrusions make it difficult for captured fish to escape. Young fish feed primarily on zooplankton crustaceans and other fry, while individuals over 35 cm in length feed almost entirely on some small fish. It reaches sexual maturity at the age of 4, and the reproductive season is from March to May; the spawning ground mainly requires rapid water, and generally likes to lay eggs on the beach. The growth rate is fast, the body length of the first winter-old fish is 15 cm, the second-winter-old fish is 24 cm long, the third-winter-old fish is 36 cm long, the fourth-winter-old fish is 45 cm long, the fifth-winter-old fish is 54 cm long, and the 6-winter-old fish is 54 cm long. Winter-aged fish are 60 cm long and weigh 2.25 kg. The largest individual can exceed 15 kg.

It is distributed in the Nanpanjiang River system in Guangxi, southern Guizhou and eastern Yunnan. The meat is tender and delicious, and it is a large economic fish in the production area.

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