Location: Lembeh Strait, Indonesia
Florent's Guide To The Hawaiian, South Pacific and
Indo-Pacific Reefs
Two Horn Box Crab
Calappa bicornis
Two Horn Box Crab
Category: Box Crabs
Scientific Name: Calappa bicornis
Size: Up to 2.5 in. (6.5 cm)
Depth: 30-200 ft. (10-60 m)
Distribution: Indo-Pacific
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. bicornis (Species)
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© 2026 Florent Charpin