Florent's Guide To The

Tropical Reefs

Rough Box Crab
Calappa gallus
Rough Box Crab
Also known as: Knobby Box Crab
Category: Box Crabs
Scientific Name: Calappa gallus
Size: Up to 4 in. (10 cm)  
Depth: 10-180 ft. (3-55 m)
Distribution: Indo-Pacific, Hawaii
Arthropoda (Phylum) Arthropods
└Crustacea (Subphylum) Crustaceans
 └Multicrustacea (Superclass) Typical Crustaceans
  └Malacostraca (Class) Malacostracans
   └Eumalacostraca (Subclass) Decapods, Isopods, and Allies
    └Eucarida (Superorder)
     └Decapoda (Order) Decapods
      └Pleocyemata (Suborder)
       └Brachyura (Infraorder) True Crabs
        └Calappoidea (Superfamily)
         └Calappidae (Family) Box Crabs
          └Calappa (Genus)
           └C. gallus (Species)
WoRMS ID: 209502🔗
iNaturalist ID: 294780🔗

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© 2026 Florent Charpin