Florent's Guide To The

Hawaiian Reefs

Green Flat Rock Crab
Percnon abbreviatum
Green Flat Rock Crab
Also known as: Abbreviated Rock Crab
Category: Spray Crabs
Scientific Name: Percnon abbreviatum
Size: Up to 2 in. (5 cm)  
Depth: 1-30 ft. (0-10 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
        └Grapsoidea (Superfamily)
         └Percnidae (Family) Spray Crabs
          └Percnon (Genus)
           └P. abbreviatum (Species)
WoRMS ID: 207575🔗
iNaturalist ID: 295351🔗

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© 2026 Florent Charpin