Cyclograpsus granulosusCyclograpsus granulosus, the purple mottled shore crab or smooth shore crab, is an Australasian crab species.DescriptionCyclograpsus granulosus grows to a carapace width of about, with a carapace mottled with red-brown or purple on yellow. The carapace's frontal regions are granulate, and its lateral margins are convex.EcologyCyclograpsus granulosus is most commonly found on stony or boulder beaches. The species occupies both the supralittoral fringe and the midlittoral region. However, the species typically occupies the upper midlittoral region. C. granulosus sometimes scrapes out shallow depressions beneath stones, and is most commonly found under boulders.