2. Haihong is also called mussel or mussel. Compendium of Materia Medica calls it Madame Donghai, and it is called mussel after drying. If there is a heavy rain in Qingming these days, then you should stop eating sea red. Because as long as there is a heavy rain these days, the sea rainbow will all "spray" out overnight, which means reproduction. At least half of sea rainbow will be too thin to eat.