Also known as Brachyura Crab, Caribbean King Crab, Coral Crab, Giant Mithrax, King Crab, Red-hinged Clinging Crab, Reef Crab, Reef Spider Crab, Spider Crab, Spiny Spider Crab, True Crab, West Indian Spider Crab.
Found during the day in caves and under overhangs out at night foraging for food over coral and rocky reefs.
They feed nocturnally on algae and carrion.
Length - 18cm
Depth - 0-170m
Widespread Western Atlantic, Caribbean
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/Mithrax_spinosissimus