Cheonggang fish, also known as "paddy fish", "魚目娘", English name "'Medaka", commonly known as ""Rice Fish"", and catfish is very similar to the catfish, but the meat is tender, and there is no fishy flavor. It is a member of the family Heterokontidae of the order Spoked-finned fishes. It is found in freshwater in East and Southeast Asia, including China, Japan, Korea, Vietnam, Myanmar, Thailand, Laos, Cambodia, and Taiwan. Habitats are often drastically reduced due to river pollution and over-exploitation of the environment. In Taiwan, the medaka's habitat has been drastically reduced to a few populations in the northern part of the country. Medaka has the habit of swallowing mosquito larvae, so it is effective in mosquito control. The Qingjiang River originates from the cave springs in the mountains of western Hubei, and is formed by the convergence of more than 2,000 mountain springs. The whole basin is well vegetated, with year-round green waves, clear water and picturesque scenery. Qingjiang River water has moderate acidity and alkalinity, sufficient dissolved oxygen, fresh water quality, pollution-free, expert-identified natural mineral water, rich in a variety of minerals and trace elements essential to the human body. Specific environment, excellent water quality, suitable climate, growth of the famous Qingjiang River fish. After the formation of Diheyan Reservoir, the quiet and elegant Qingjiang River water provides unique growing conditions for Qingjiang River fish. Good mountains out of good water, good water to raise good fish, good fish flavor Meiqi, pollution-free, non-polluting, hormone-free is the biggest feature of the Qingjiang River fish. And