Florent's Guide To The

Tropical Reefs

Sleepy Sponge Crab
Tumidodromia dormia
Sleepy Sponge Crab
Category: Sponge Crabs
Scientific Name: Tumidodromia dormia
Size: Up to 7 in (18cm)  
Depth: 3-100 ft. (1-30 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
        └Dromioidea (Superfamily)
         └Dromiidae (Family) Sponge Crabs
          └Tumidodromia (Genus)
           └T. dormia (Species)
WoRMS ID: 440119🔗
iNaturalist ID: 968919🔗

All Photographs
© 2026 Florent Charpin