Also known as Brachyura Crab, Bubble Coral Crab, Decorator Crab, Hairy Crab, Hairy Spider Crab, Granchio Orangutan, Orangutang Crab, Orangutan Krabbe, Orangutang Spider Crab, Spider Crab, True Crab.
Found living in a symbiotic relationship with various anemones over coral and rocky reefs.
Hairy all over for camouflage.
They feed on invertebrates and plankton.
Length - 1.2cm
Depth - 2-20
Widespread Western Central 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/Achaeus_japonicus