Introduction to Chinese tiger head crab specimens: The Chinese tiger head crab is a marine crab of the family Decapoda, Crabidae. It has stripes on its legs, spots on its back, and a peculiar shape. This type of crab often inhabits the muddy bottom of shallow seas and is mostly distributed in North Korea and my country's Guangdong, Fujian, Zhejiang, Jiangsu, Shandong Peninsula, Bohai Bay and Liaodong Bay.