Tentatively identified as a rough rock crab.

(Edithburgh, South Australia)

arthropod; crustacean; decapod; crab; swimming crab; rough rock crab; two-tone swimmer crab; Arthropoda; subP Crustacea; Malacostraca; Decapoda; subOrder Pleocyementa; infraOrder Brachyura; superFamily Portunoidea; Macropipidae; Nectocarcinus integrifrons (probably); formerly in Portunidae family, Australia