Blue-ringed octopus
Invertebrate
- Scientific name
- Hapalochlaena spp.
- Size
- 5–20 cm2–7.9 in
- Depth range
- 0–20 m0–66 ft
Diver notes
The venom has no antivenom. Rings appearing is a warning, not a photo opportunity. Never handle.
Where to see this
Recently seen
No sightings recorded yet. Tick this species on a dive in your logbook and it shows up here.