Description

Also known as Brachyura Crab, Commensal Crab, Coral Crab, Coral Guard Crab, Orange Coral Crab, Swimmer Crab, Trapeze Crab, True Crab, Xanthid Crab.

Found hiding during the day, coming out at night, spreading their arms and feeding, between the finger-like branches of hard coral formations, over coral and rocky reefs.
They feed on coral tissue and mucus.
Length - 1.5cm
Depth - 0-45m
Widespread Indo-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: https://en.wikipedia.org/wiki/Trapezia