Fresh silverfish contains a lot of water, the weight of the top is very sufficient, after exposure to the sun into dried silverfish, a large loss of water, the weight also becomes light, the price is correspondingly high. Silverfish, white and slightly transparent, long but about 3 centimeters, the whole body without scales, has always been applied as a whole food (i.e., viscera, head, fins, etc., are not removed, the whole food), mainly grown in freshwater lakes, Poyang Lake in Jiangxi Province, there are such delicious fish food. Silverfish is small, translucent silvery white, smooth and scale-free, with tender meat, delicious flavor and high nutritional value.