fish, shrimp, mollusks. According to China aquaculture network official website, Red Line Dawn Crab will capture small animals in the water as its own food, such as fish, shrimp and mollusks, to supplement more abundant nutrition. The red-line dawn crab is an animal belonging to the genus Dawn Crab of the family Crab. It is distributed in North Korea, Japan, Australia, Indonesia, Singapore, Vietnam, Thailand, India, Iranian Gulf, South Africa and Chinese mainland's Guangdong, Hainan Island, Fujian, Zhejiang, Jiangsu, Shandong, Bohai Bay and other places. Its living environment is seawater, and it mainly lives in shallow beaches in intertidal zone.