Also known as Blood-spotted Crab, Blood-spotted Round Crab, Clown Crab, Darkfinger Coral Crab, Large-spotted Crab, Redspot Rock Crab, Red-spotted Crab, Reef Crab, Round Reef Crab, Seven Eleven Crab, Spotback Coral Crab, Spotted Crab, True Crab.
Found moving slowly along sandy bottoms over coral and rocky reefs.
They feed nocturnally on marine snails.
Length - 18cm
Depth - 0-6m
Brachyura crabs are considered true crabs, they have a short abdomen, 4 walking legs and a pair of clawed arms at the front.
Many thousands of species live worldwide in sea water, fresh water and on land. Ref: https://en.wikipedia.org/wiki/Carpilius_maculatus