Also known as Blue Coral Crab, Commensal Crabs, Coral Guard Crab, Guard Crabs, Red Coral Crab, Red-dotted Guard Crab, Trapeze Crab, True Crab, Xanthid Crab.
Found in pairs living between the finger-like branches of Pocillopora corals for feeding and protection over coral and rocky reefs.
They feed on coral mucus.
Length - 1.5cm
Depth - 0-60m
Coral Crabs are able to defend their territory from the Crown-of-Thorns Seastar!
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://www.sealifebase.ca/summary/Trapezia-cymodoce.html