Greater Blue-Ringed Octopus

Hapalochlaena lunulata

Greater Blue-Ringed Octopus

Small enough to sit in your palm, the greater blue ringed octopus flashes brilliant blue rings as a warning when alarmed. That display is no bluff; it carries a potent neurotoxin, so this shallow water octopus should never be handled.

Taxonomy: Animalia › Mollusca › Cephalopoda › Octopoda › Octopodidae › Hapalochlaena

Species data via the World Register of Marine Species (WoRMS), AphiaID 342333.

FAQ

How deep does the Greater Blue-Ringed Octopus live?
The Greater Blue-Ringed Octopus (Hapalochlaena lunulata) is typically found at 0–20 m.
How big does the Greater Blue-Ringed Octopus get?
The Greater Blue-Ringed Octopus grows to about 12 cm.