Copper fish

, also known as the

,


back down. Named for its brass color.





Body length, front near cylinder-shaped, tail handle side flat; head small, near conical, kiss tip, short and prominent; small mouth, lower position, narrow

,


a horseshoe-shaped ,with 1
pairs of long beards;the eye diameter is smaller than the nostrils; the dorsal fin is short, the hip fin position is front, the back and hip fin base are scaly on both sides; the chest and abdomen fins are medium long, the base is covered with most small and irregular scales; the tail fin is wide, the fork is not deep, the end tip of the upper and lower leaves; the scale is small; the side line is complete; the dorsal gold yellow, slightly shiny


the upper side of the body with mostly light gray and black dots

,
belly white slightly yellow, The fins are light grey with yellow edges. It is found in the main tributations and lakes of the Yangtze River water system, and is also distributed in the lower reaches of the Yellow River.






generally live in the bottom

of the water body,happy cluster ,
often inhabit the flowing water environment. In winter, groups live in deep waters with deep rocks and lay eggs in the flowing water in the spring. After spawning, it returns to the lower and middle reaches and lakes for fertilization and wintering. Mainly benthic mosomes for food, but also eat higher plant fragments, algae and some underwater invertebrates.






the spawning period is usually between
5
5 months. Usually spawns in rapids. The eggs are light blue-grey or gray-green with an egg diameter 1.8to 2.0


mm.

3
years of sexual maturity ,the amount of eggs 4
to 20
million. Eggs develop gradually as water drifts. The fast growth rate is one of the main fishing objects in the upper reaches of the Yangtze River. Meat fat taste beautiful, is one of the best edible fish.