Beihai City in south China's Guangxi Zhuang Autonomous Region is one of the few places in the country were horseshoe crabs live and breed. On the intertidal zones in a mangrove conservation area in the Beihai Golden Bay, a young horseshoe crab just molted, leaving its previous shell behind. The horseshoe crab grows by molting. It molts over 10 times in its lifetime.
Both Chinese horseshoe crabs and round-tailed horseshoe crabs reside in shallow coastal waters. You can find them by tracing their tracks on the beach.