Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Blue Swimming Crab - Female
Portunus pelagicus
Blue Swimming Crab
Category: Swimming Crabs
Scientific Name: Portunus pelagicus
Size: Up to 8 in. (20 cm)  
Depth: 30-150 ft. (10-45 m)
Distribution: Indo-Pacific
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
        └Portunoidea (Superfamily)
         └Portunidae (Family) Swimming Crabs
          └Portuninae (Subfamily)
           └Portunus (Genus)
            └P. pelagicus (Species)
WoRMS ID: 1061754🔗
iNaturalist ID: 127703🔗

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© 2026 Florent Charpin