The living habits and regional distribution of the Gaotiluo fish (an important economic fish in Xinj

Leuciscus idus, also known as round-bellied Leuciscus, belongs to the order Cypriniformes, Cyprinidae, Leuciscus subfamily, and Leuciscus genus. Commonly known as: small white fish. English name: Ide.

The body is long, the sides are flat, the abdomen is round, there is no abdominal rib, the body is quite tall, the body length is 3.2-3.7 times of the body height, and the tail is relatively slender. The snout is rounded and blunt, the mouth is positioned at the end, and is horseshoe-shaped. The upper and lower jaws are approximately equal in length. The eyes are large. The lateral line is complete and the front end is slightly curved ventrally. The scales are medium large, with 56-61 lateral line scales, and each has a long axillary scale at the base of the pelvic fin. The back of the body is gray-black, the edges of the scales are black, the abdomen is white, and the pectoral fins, pelvic fins and anal fins are light yellow.

The high-bodied yarrow is a cold-water fish. They mostly live in rivers and lakes with slow currents. Juvenile fish feed on zooplankton, while adult fish mostly feed on benthic aquatic insects and sometimes small fish. The age of sexual maturity is mostly 3-5 years old, and the spawning period is from the end of April to the beginning of June. The eggs are mostly laid in waters with bottom sand and gravel and aquatic plants. Common individuals are 23.5-36.0 cm long and weigh 288-948 g. The largest individual can reach 60 cm and weigh about 4 kg.

The high-bodied yarrow is distributed in rivers in northern Europe and Siberia, Russia. Our country is only found in the Irtysh River system in Xinjiang. The high-bodied yarrow is an important fishing target in Siberia, Russia, and is also the target of local pond culture. The output is very large in the Burqin region of Xinjiang, my country, and it is an important economic fish in the production area.

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