Spiny Hands Crab

Found in both shallow and deeper waters, amongst live corals, under rocks, over mud, sand, and stony bottoms, of mangroves, seagrass beds, and in tide pools.
Widespread Atlantic, Mediterranean, Indo-Pacific

Brachyura crabs are considered true crabs, they have a short abdomen, four 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.