Also known as Brachyura Crab, Corallimorph Crab, Decorator Crab, Decorator Spider Crab, Mushroom Decorator Crab, Teddy Bear Crab, True Crab, Tubercle Crab.
Found over hard bottom intertidal zones of shallow lagoons and coral and rocky reefs rich in algae growth. They are found covered in a heavy growth of marine organisms for camouflage against predators, usually corallimorphs hence the name!
Length - 5cm
Depth - 1-10m
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/Cyclocoeloma