Tags: Crustacean.
Mictyris brevidactylus is a species of crab found in Japan China (including the type location Hong Kong) Taiwan Singapore and parts of Indonesia (Karakelong Bawean and Ambon Island). The adults have a light-blue carapace and scarlet-jointed legs while juveniles are yellowish-brown. M. brevidactylus is gregarious and burrows into the sand when disturbed in a corkscrew motion.