|Kingdom Animale | Phylum Arthropoda | Subphylum Crustacea | Class Malacostrata|
This crab has the first two pairs of legs modified to carry objects on its back, usually sponges. The most common local species on rocky areas and reefs (width l cm) is the small Cryptodromia pileifera which carries a colony of brown tunicates on its back. All are scavengers.
From A Guide to Seashore Life by Dr Leo W H Tan and Peter K L Ng
Published by the Singapore Science Centre and sponsored by BP
@Raffles Museum of Biodiversity Research and Singapore Science Centre