Florent's Guide To The

Tropical Pacific Reefs

Greater Blue-Ringed Octopus
Hapalochlaena lunulata
Greater Blue-Ringed Octopus
Category: Octopuses
Scientific Name: Hapalochlaena lunulata
Size: Up to 2.75 in. (7 cm)  
Depth: 3-80 ft. (1-25 m)
Distribution: Indo-West Pacific, Great Barrier Reef
Mollusca (Phylum)
└Cephalopoda (Class)
 └Octopoda (Order)
  └Octopodidae (Family)
   └Hapalochlaena (Genus)

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© 2025 Florent Charpin