By Bob Goemans
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Family Carpiliidae

Carpilius convexus

(Forskal, 1775)

Round-back Coral Crab

Not Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: Red Sea and South Africa, to Japan and south to Hawaii.

Size: 4 inches (10 cm)

Natural Environment: Inhabits coastal reefs.

Aquarium Suitability: Not collected for the aquarium trade.


    Kingdom: Animalia

    Phylum: Arthropoda

    Class: Malacostraca

    Subclass: Eumalacostraca

    Order: Decapoda

    Superfamily: Carpilioidea

    Family: Carpiliidae

    Genus: Carpilius

FYI: Shown here for identification only.

Nocturnal and feeds upon mollusks.

 Carpilius convexus (Round-back Coral Crab)
Photo © Andrea & Antonella Ferrari
Zoisimus aenus Carpilius maculatus
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