Florent's Guide To The

Hawaii 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)
 └Malacostraca (Class)
  └Eumalacostraca (Subclass)
   └Decapoda (Order)
    └Pleocyemata (Suborder)
     └Caridea (Infraorder)
      └Palaemonoidea (Superfamily)
       └Palaemonidae (Family)
        └Stegopontonia (Genus)
         └S. commensalis (Species)

Crustaceans
Commensal Shrimps

Purple Urchin Shrimp

Clear Cleaner Shrimp

Emperor Shrimp

Sea Star Shrimp

Striped Bumblebee Shrimp

Starry Coral Shrimp

Harlequin Shrimp

Anker's Whip Coral Shrimp



All Photographs
© 2025 Florent Charpin