How deep does the Blue-Lined Octopus live?

The Blue-Lined Octopus (Hapalochlaena fasciata) is typically found at 0–20 m.

How big does the Blue-Lined Octopus get?

The Blue-Lined Octopus grows to about 15 cm.

Blue-Lined Octopus

Hapalochlaena fasciata

Group: Octopus
Typical depth: 0–20 m
Max size: 15 cm
IUCN status: LC

Small enough to sit in your palm, the blue lined octopus carries tetrodotoxin powerful enough to kill a person, and one human death is on record. It hunts small crustaceans by night across intertidal and shallow rocky reefs, flashing its electric blue rings only when threatened.

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

Species data via the World Register of Marine Species (WoRMS), AphiaID 342332.

FAQ

How deep does the Blue-Lined Octopus live?: The Blue-Lined Octopus (Hapalochlaena fasciata) is typically found at 0–20 m.
How big does the Blue-Lined Octopus get?: The Blue-Lined Octopus grows to about 15 cm.