Summary ²

The southern blue-ringed octopus (Hapalochlaena maculosa) is one of three (or perhaps four) highly venomous species of blue-ringed octopuses. It is most commonly found in tidal rock pools along the south coast of Australia. As an adult, it can grow up to 20 centimetres (8 in) long (top of the mantle to the tip of the arms) and on average weighs 26 grams (0.9 oz). They are normally a docile species, but they are highly venomous possessing venom...

Sources and Credits

1. (c) Peter Crowcroft, some rights reserved (CC BY), uploaded by Peter Crowcroft
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Hapalochlaena_maculosa

More Info

• iNat taxon page
• Animal Diversity Web
• Atlas of Living Australia
• Biodiversity Heritage Library
• BOLD Systems BIN search
• California Academy of Sciences
• FishSource
• Global Biodiversity Information Facility (GBIF)
• iNaturalist Cephalopod Working Group
• SeaLifeBase
• World Register of Marine Species

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