Olivar's Squat Lobster

Found in small holes, often with just the head and arms exposed, over shallow waters of coral and rocky reefs.

Anomura crabs are considered false crabs, they have a longer abdomen and the back legs are modified or reduced so hardly noticeable.
These crabs include the hermit crabs and squat lobsters.
Many thousands of species live worldwide in sea water, fresh water and on land.