Florent's Guide To The

Tropical Pacific Reefs

Purple Urchin Shrimp
Stegopontonia commensalis
Purple Urchin Shrimp
Category: Commensal Shrimps
Scientific Name: Stegopontonia commensalis
Size: Up to 1.5 in (3.5 cm)  
Distribution: Indo-Pacific, Hawaii
Arthropoda (Phylum)
└Crustacea (Subphylum)
 └Multicrustacea (Superclass)
  └Malacostraca (Class)
   └Eumalacostraca (Subclass)
    └Eucarida (Superorder)
     └Decapoda (Order)
      └Pleocyemata (Suborder)
       └Caridea (Infraorder)
        └Palaemonoidea (Superfamily)
         └Palaemonidae (Family)
          └Stegopontonia (Genus)
           └S. commensalis (Species)

All Photographs
© 2025 Florent Charpin