Florent's Guide To The

Hawaii Reefs

Two Tooth Guard Crab
Trapezia bidentata
Two Tooth Guard Crab
Also known as: Rusty Guard Crab
Category: Coral Crabs
Scientific Name: Trapezia bidentata
Size: 0.5 to 1 in. (1.5 to 2.5 cm)  
Depth: 5-140 ft. (2-43 m)
Distribution: Indo-Pacific, Hawaii
Arthropoda (Phylum)
└Crustacea (Subphylum)
 └Malacostraca (Class)
  └Eumalacostraca (Subclass)
   └Decapoda (Order)
    └Pleocyemata (Suborder)
     └Brachyura (Infraorder)
      └Trapeziidae (Family)
       └Trapezia (Genus)
        └T. bidentata (Species)

Crustaceans
Coral Crabs

Two Tooth Guard Crab

Yellow-Spotted Guard Crab

Red-Spotted Guard Crab



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© 2025 Florent Charpin