Florent's Guide To The

Tropical 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)
└Crustacea (Subphylum)
 └Malacostraca (Class)
  └Eumalacostraca (Subclass)
   └Decapoda (Order)
    └Pleocyemata (Suborder)
     └Brachyura (Infraorder)
      └Portunidae (Family)
       └Portuninae (Subfamily)
        └Portunus (Genus)

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© 2025 Florent Charpin