Shrimp eat almost everything, especially meat, fish, meat, clam meat and snail meat. White shrimp is the main species of river shrimp, and Macrobrachium macrobrachium is the main species of river shrimp. Both of them belong to the family Brachynchidae, and their appearance is very similar, but their taste and texture are quite different, so the market prices are also quite different. White shrimp, also known as Shaking Shrimp, Jiangtu Shrimp and Yingchun Shrimp, is covered with a carapace, and the second carapace of the abdomen covers the first carapace, with two short fine whiskers. Its body is white and transparent, with blue or red spots, and its shell is thin but hard. The shrimp body is slightly flat and its shell ridge is slightly edged. Macrobrachium macrobrachium, also known as green shrimp and firewood shrimp, is also covered with a carapace, but there are pincers in front of the feet, especially the second pair of feet is very thick, its length is more than twice the body length, and it is strong and powerful, which can be used to attack and defend against enemies. The shrimp body is turquoise with brown stripes, the shell is thin and soft, the shrimp body is cylindrical, and the shell ridge is round. The shrimp meat is translucent and jade-colored. After cooking, the double white shrimp is crystal clear and bright, and the taste is more elastic, smooth and tender.