Also known as Brachyura Crab, Pebble Crab, Purse Crab, Rubble Crab, True Crab.
Found amongst rocks, rubble and sandy areas of coral and rocky reefs.
They feed on plankton.
Length - 14cm
Depth - 0-50m
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/Myra_fugax