Florent's Guide To The

Tropical Pacific 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)
└Crustacea (Subphylum)
 └Multicrustacea (Superclass)
  └Malacostraca (Class)
   └Eumalacostraca (Subclass)
    └Eucarida (Superorder)
     └Decapoda (Order)
      └Pleocyemata (Suborder)
       └Brachyura (Infraorder)
        └Calappoidea (Superfamily)
         └Calappidae (Family)
          └Calappa (Genus)
           └C. gallus (Species)

Crustaceans
Box Crabs

Rough Box Crab

Two Horn Box Crab

Giant Box Crab



All Photographs
© 2025 Florent Charpin