Introduction to long kiss:

Leiocassis longirostris (scientific name: Leiocassis longirostris) is a kind of fish belonging to the genus Coilia. The body is slender, the front is thick and short, and the back is flat. The head is slightly larger, the back is convex, and it is not covered by membrane; The superior occipital spine is rough and bare. The kiss is quite sharp and prominent, and it is conical. The mouth is low and curved. Lip hypertrophy. The upper jaw protrudes from the lower jaw.

The eyes are small, on the side, the eyes are not free, and they are covered with skin. Eyes are widely spaced and convex. The nose must be located at the front edge of the posterior nostril, and the back end reaches the front edge of the eye. Branchial foramen is large. The branchial lid is not connected with the branchial isthmus. Gill harrow is very small. The body is smooth and scaleless. The dorsal fin is short, the leading edge of the spur is smooth, and the trailing edge is serrated; Its spines are longer than those of pectoral fins, and its starting point is vertically above the back end of pectoral fins.

Lipid fin is short, and the base is located behind the base of dorsal fin to the base of caudal fin. The starting point of gluteal fin is located behind the starting point of lipid fin, and the distance from the root of caudal fin is almost equal to the distance from the back end of pectoral fin. Below the pectoral fin, the trailing edge of the hard thorn is serrated. The ventral fin is smaller, and its starting point is vertically below the back end of dorsal fin base, which is farther from the back end of pectoral fin base than from the starting point of gluteal fin.

The anus is located at the midpoint from the starting point of the anal fin to the rear end of the base of the pelvic fin. The caudal fin is deeply forked, the upper and lower leaves are the same length, and the end is slightly blunt. The body is pink, the back is dark gray, and the abdomen is light. There are irregular purple-gray patches on the head side and body side. Fins are grayish yellow.

Long snooker is a bottom fish. Often live in the river bend waters with slow water flow, deep water depth and many stones. During the day, they often lurk underwater or in crevices, and go out to look for food at night. When foraging, it also moves in the middle and lower layers of water; Overwintering in the gravel crevices in the deep water of the main stream in winter.

It mainly feeds on aquatic insects and its larvae, crustaceans, small mollusks and small fish. The Liaohe River, Huaihe River, Yangtze River, Minjiang River and Pearl River are distributed in the east of China and the west of Korea, with the Yangtze River as the main water system.

The body is slender, the front is thick and short, and the back is flat. The head is slightly larger, the back is convex, and it is not covered by membrane; The superior occipital spine is rough and bare. The kiss is quite sharp and prominent, and it is conical. The mouth is low and curved. Lip hypertrophy. The upper jaw protrudes from the lower jaw. Maxillary, mandibular and palatal bones all have villous teeth, forming an arc-shaped toothed belt.

The eyes are small, on the side, the eyes are not free, and they are covered with skin. Eyes are widely spaced and convex. The front and rear nostrils are far apart, and the front nostril is short and tubular, located below the front end of the kiss; The posterior nostril is fissure-shaped. The nose must be located at the front edge of the posterior nostril, and the back end reaches the front edge of the eye; The posterior end of the jaw exceeds the posterior edge of the eye; The chin must be shorter than the lower jaw and the side chin must be longer. Branchial foramen is large.