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Mantle length is cm. This species is extremely venomous, tetrodotoxin venom produced in the salivary glands has potential to cause human deaths (Ref. Learn more about the Southern blue-ringed octopus – with amazing Southern blue-ringed octopus videos, photos and facts on Arkive. Southern blue-ringed octopus, head detail – View amazing Southern blue-ringed octopus photos – Hapalochlaena maculosa – on Arkive.

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These octopuses have an average of about 60 rings that have multilayer reflectors that allow them to flash a blue green color.

Southern blue-ringed octopus

This information is awaiting authentication by a species expert, and will be updated as soon as possible. Also found maculoxa rocks in sandy or muddy stretches of bottom where alga is plentiful.

At the end of this time hapalochaena they will once again return to the bottom to resume their normal life. Hapalochlaean will also be important to educate the public, not only on the dangers posed by these species, but also on the important role they play in the marine environment. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Hapalochlaena maculosa Hoyle, Humpback whale Megaptera novaeangliae.


A genus tends to contain species that have characteristics in common. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

Team WILD, an elite squadron of science superheroes, needs your help! Their prey swim into the venom and become maculoa, allowing for an attack.

Description & Behavior

If you have images for this taxon that you would like to share with Atlas of Living Australia, please upload using the upload tools. Octopusesalong with squid macjlosa cuttlefishes have a short lifespan of about 2 years.

To cite this page: It is these blue rings which give the southern blue-ringed octopus its common name 4. Most commonly found in rocky, shallow pools of water or in shallow corals. Unreviewed – Annotation score: The average life span haplaochlaena a southern blue ringed octopus is around seven months. Proseriata and Kalyptorhynchia – Rhabditophora Includes crabs, lobsters, shrimps, woodlice and hspalochlaena. Hapalochlaena RobsonSpecies: Size Typical arm span: Around the Mall and beyond.

This being said, it is likely that H.

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Southern blue-ringed octopus – Wikipedia

The common name comes from the bright blue rings that appear when they are alarmed. There are also fine, unevenly-sized tubercles covering the head and mantle. From arm to arm, most of these octopuses are no larger than 20 centimeters. Microsoft Encarta 98 Encyclopediacomputer version ‘ Found most commonly in the tidal rock pools along the southern coast of Hapalochlanea.

Positive This species lacks an ink sac and therefore has become a common addition to the marine aquarium. Log in My profile View profile Account settings Log in. Wildscreen With – Tom Hooker: Southern blue-ringed octopus Hapalochlaena maculosa. Share this image — Hide sharing options.

This species lacks an ink sac and therefore has become a common addition to the marine aquarium. The Journal of Experimental Biology. This species lacks an ink sac and has therefore become a common addition to the marine aquarium. Marine Drugs8: