Description

Also known as Anomura Crab, False Crab, Painted Porcelain Crab, Pen Crab, Polka-dotted Porcelain Crab, Porcelain Crab, Sea Pen Crab, Sea Pen Porcelain Crab.

Found singly, pairs or in a consortium, living commensally with sea pens, over coral and rocky reefs.
They feed nocturnally, by spreading their arms to collect their prey of zooplankton.
Length - 2cm
Depth - 1-72m
Widespread Indo-West Pacific

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. Ref: http://www.marinespecies.org/aphia.php?p=taxdetails&id=210641