Haihong's alias is Mrs Donghai. Sea rainbow generally refers to mussels, which are bivalve mollusks with dark brown shells and live on coastal rocks. Distributed in the Yellow Sea, Bohai Sea and East China Sea coast of China. Fresh mussels are popular seafood. It can be steamed or peeled and fried with other vegetables. It's delicious. Due to the large yield of mussels, they are not easy to preserve after harvest, and have always been cooked and processed into mussels.