|Kingdom Animale | Phylum Arthropoda | Subphylum Crustacea | Class Malacostrata|
This species (shell width 2-2.5cm) is common on reefs. They hide in crevices and move about only when the tide is up. A related larger species, A. hirsutissima (shell width up to 5cm) has numerous short, stiff black hairs covering it.
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