Yes, Chinese horseshoe crab and southern horseshoe crab are the key protected animals in this province, and they are also the red list of endangered species in China. Horseshoe crab horseshoe crab has a blue-brown or dark brown body, a hard shell and four eyes, two of which are compound eyes. There are two small eyes of 0.5mm at the front end of the head breastplate, which are the most sensitive to ultraviolet rays and are only used for sensing brightness. There are a pair of big compound eyes on both sides of the head breastplate. Although horseshoe crab can push its body to swim by flapping its gills downward, it usually bends its body into an arch, dives into the mud, and then pushes its body forward with its tail sword and its last foot.