Florent's Guide To The

Tropical Pacific Reefs

Sponge Spider Crab
Oncinopus sp. 2
Sponge Spider Crab
Category: Decorator Crabs
Scientific Name: Oncinopus sp. 2
Size: Up to 1 in. (2.5 cm)  
Depth: 10-75 ft. (3-23 m)
Distribution: Indonesia
Note: Undercribed species. Genus identification tentative. Range outside Indonesia unknown.
Arthropoda (Phylum)
└Crustacea (Subphylum)
 └Malacostraca (Class)
  └Eumalacostraca (Subclass)
   └Decapoda (Order)
    └Pleocyemata (Suborder)
     └Brachyura (Infraorder)
      └Inachidae (Family)
       └Oncinopus (Genus)

Crustaceans
Decorator Crabs

Sponge Spider Crab

Orangutan Crab



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© 2025 Florent Charpin