1, the fine scale fish breeding is required to pond depth in one meter, water depth in 80 cm. It prefers a low water temperature environment, so the water temperature of the water source when building the pond can not be too high, the highest not to exceed 20 degrees. Stocking density should be 150-300 fish per square meter, the specification is 100 grams of fish species. If the pond is more aquatic insects, small fish and shrimp, feeding is not too diligent, but on the contrary, we must increase the number of times.

2, fine scale fish for the ice age from the north to the south of the residual species. It is a cold water foothill fish. Living in the Qinling area at an altitude of 900-2300m in the mountain streams, in addition to flooding, rarely seen in the plains and flat streams. It is mostly found in fast-flowing streams with clear water and large gravel substrate. Minimum age of sexual maturity is 3+-5+ years. Sexually mature individuals spawn in February-March, spawning grounds are mostly in shallow water gravel bottom.