The difference between wedelia and crabs is that wedelia are small, thin-fleshed, with tiny pincer clips and lighter-colored dorsal shells, while crabs are large, thick-fleshed, with stout pincer clips and darker-colored dorsal shells.

Wedelus grapsus is a freshwater species of small crabs, also known as mill grapsus, crabs. Scientific name phase hand crab. Crustacea, square crab family. Cephalothoracic armor slightly square, body width 3-4 cm. Wedgie is a kind of small crab growing on the seashore, and the people of Chaozhou will eat this kind of wedgie drowned in salt, which has a very distinctive flavor. In the past, catching wedelia also became an income for the people on the seashore.

Legend has it that after the Qing Dynasty entered the country, Zheng Chenggong still persisted in his struggle against the Qing in the eastern part of Guangdong. In the first year of Kangxi, the minister of the Ministry of Justice, Ker Kun, the minister of the Ministry of War, Jie Shan, and the king of Pingnan, Shang Kexi, were ordered to Chaozhou to study ways to deal with Zheng Chenggong. In the end, they decided to build seventy-three high platforms along the coast to observe the military situation and force the coastal residents to migrate to the mainland, thus cutting off Zheng Chenggong's retreat.

Introduction of Wedgewood

The coastal residents were made to suffer. The Qing soldiers posted notices everywhere, forbidding the residents to go to the sea, and if they were violators, they were punished for collaborating with the enemy. People in order to make a living, and sometimes secretly go to the sea, but also managed to escape the Qing soldiers arrested. Legend has it that a Chenghai County township has a scholar surnamed Cai, and his village friend A dog and others agreed to go together to catch some grapsus.

After arriving at the gate of the fortress, Cai Xiucai saw a notice and stopped to study its contents. Aiu can't read, so he went straight to the beach where there were wedgies and caught a lot of them. When Cai Xiu Cai saw the content of the notice, he realized the seriousness of the matter and thought about it while walking, not knowing what to do. By the time he got to the beach, the tide was already rising, and all the people who came with him had caught a lot of wedgies.