Etymology: From the Latin word Molluscus, meaning soft body.
The common name comes from the bright blue rings that appear when the octopus is alarmed.
Kingdom Animalia
Phylum Mollusca
Class Cephalopoda
Order Octopoda
Family Octopodidae
Genus Hapalochlaena
Species Hapalochlaena maculosa
Phylum Mollusca
Class Cephalopoda
Order Octopoda
Family Octopodidae
Genus Hapalochlaena
Species Hapalochlaena maculosa