|Kingdom Animale | Phylum Arthropoda | Subphylum Crustacea | Class Malacostrata|
These are algal feeders, and with such bright warning colours, are almost certainly poisonous.
They are slow moving crabs, usually hiding in rock crevices. (Shell width 3cm).
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