Florent's Guide To The

Tropical Reefs

Blue-Ringed Octopus
Hapalochlaena spp.
Blue-Ringed Octopus
Category: Octopuses
Scientific Name: Hapalochlaena spp.
Size: Up to 4 in. (10 cm)  
Distribution: Indo-West Pacific
Note: There several species of blue-ringed octopus that are distinct from the greater blue-ringed octopus
Mollusca (Phylum)
└Cephalopoda (Class)
 └Octopoda (Order)
  └Octopodidae (Family)
   └Hapalochlaena (Genus)

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© 2025 Florent Charpin