Also known as Brachyura Crab, Red Swimmer Crab, Red Swimming Crab, True Crab.
Found on rock and sand bottoms of coral and rocky reefs.
They feed on plankton.
Length - 1.6cm
Depth - ?m
Widespread Indo West 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. Ref: x