Schizothorax davidi

Schizothorax (Racoma) Davidi (Sauvage, 1880) is a fish that belongs to the genus of carp.

The weight of the lobed belly is fat, rich in fat. Growing faster and larger individuals, generally can grow to 1-3 kg, and the largest individual can reach 10 kg. Rich output, the yield in the production area is second only to the abdominal fish. In the area of Ya'an, it is called "Yayu" with Qi mouth cracked belly fish. In addition to eating meat, although its eggs are toxic, they can also eat after cooking. The important economic fish in various tributaries in the upper reaches of the Yangtze River is also the place where the local and medium -sized water bodies are developed. For the upstream cold water -based fish, it usually lives more in the slow flow. The feeding season is in the sand and gravel river bed. Taking animal food as a staple food, its mouth can be free to retract and eat it under the gravel; almost 90%of the food is aquatic insects and insect larvae, and it also swallows small fish, shrimp and a few raw algae. During reproduction, white beading star appears on the head of the male fish. The ovarian ovarian of mature females is water bottle and orange -yellow. Mainly animal food.

The breeding period of heavy -slarted fracture fish is generally from August to September. The eggs are spawned in the gravel river where the water flows is urgent. During the reproductive, white beading star appears on the head of the male fish. Sexual mature female IV IV ovaries are long bag -shaped and ovaries are orange -yellow.

L be included in the second level of "China National Key Protection Wildlife List".

In December 2021, the Ministry of Agriculture and Rural Affairs was included in the third batch of "Artificial Breeding National Key Protection of Aquatic Wildlife".

Protecting wild animals and eliminating odors.

Everyone is responsible for maintaining ecological balance!

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It is distributed in the dry tributaries of the Yangtze River, especially in the Gorge of the Jialing River, the Minjiang River, and the Minjiang River.
The heavy -slarted fishes are cold water -based fish. They usually live in the slow flow. The feeding season is active in the environment where the bottom quality is sand and gravel and the turbulent water flow. Winter winter in the water cave.

Backyfin III-8; anal fins III-5; pectoral fins Ⅰ-18 ～ 20; abdominal fins Ⅰ-9 ～ 10. The side scales 96 ~ 106; the outer gill rake of the first gill bow is 14 ～ 16, and 21 to 26 inner side. There are 3 lines of lower pharynx, 2.3.5-5 · 3.2; spine 4+41 ～ 43. Essence The body length is 3.6 to 4.4 times that of the body height, 3.7 to 4.6 times the length of the head, 5.7 to 8.4 times the length of the tail handle, and 8.3 to 10.9 times the height of the tail handle. The head length is 2.4 to 3.5 times the length of the kiss, 3.9 to 7.4 times the diameter, and 2.5 to 3.9 times the distance between the eyes. The length of the tail handle is 1.2 to 1.7 times with a tailpower height. The body is extended, the side is slightly flat, the back is raised, and the abdomen is round; the head is cone -shaped, the kiss is prominent, the lower mouth, the horseshoe shape, the inner horn of the lower jaw is more developed, but the sharp keratin is formed, the lower lip is developed, and the smaller indiv