Also known as Brachyura Crab, Leucosia anatum, Painted Pebble Crab, Pebble Crab, Rubble Crab, True Crab.
Found over people and sandy areas of coral and rocky reefs and shorelines.
They feed on plankton.
Length - 2.5cm
Depth - land-15m
Widespread Indo-West Pacific
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: x