Blue-ringed octopus [Hapalochlaena]

Description

Small and brilliantly patterned, blue-ringed octopuses flash vivid blue rings when they feel threatened. Divers may spot them tucked into crevices, where they use quick, curious movements to investigate the surroundings.

Species

Greater Blue-ringed Octopus

Hapalochlaena lunulata

Blue-lined Octopus

Hapalochlaena fasciata

Blue-ringed Octopus

Hapalochlaena maculosa

Hapalochlaena nierstraszi

Hapalochlaena nierstraszi

Taxonomy