The picture ? , a species of the general family of sand crabs Scientific name ?

Macrophthalmidae ? Macrophthalmus decapod arthropod

Below is a picture of a species of crab called Macrophthalmus. Macrophthalmus abbreviatus ?

Distributed in the area around Tokyo Bay in Japan, in the waters near Incheon on the Korean Peninsula, and in the Shandong Peninsula, Liaodong Peninsula, and Guangdong Province in China.