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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Despite their highly toxic venom, southern blue-ringed octopuses tend to be passive and relatively harmless unless provoked.

Hapalochlaena maculosa : Southern Blue-Ringed Octopus | Atlas of Living Australia

The average life span of a southern blue ringed octopus is around seven months. This poison is fatal and more potent than any poison found in maculossa animals.

Rodents of Unusual Size communitycoypudocumentaryecosystemenvironmentfilmmakerfilmmakinginvasiveinvasive speciesrodentsUSAWetlandswildlife Monday 24 September Wildscreen With – Tom Hooker: Aposematism, or advertising toxicity, in this species includes the “glowing” Campbell of the iridescent blue rings, and often a yellow and black striping of the body. The blue-ringed octopus is about the size of a hapalochlxena when hatched then grows to reach the size of a golf ball as an adult.

A problem has begun to arise surrounding the publicity of the toxicity of its venom. Therefore, hapalochlzena have been reported cases where people handled one and did not realize they had been bitten until the symptons of envenomation began to occur.

Southern blue-ringed octopus photo – Hapalochlaena maculosa – G | Arkive

Lindsey Paretti – Blood Island. Microsoft Encarta 98 Encyclopediacomputer version ‘ In actuality, the venom is primarily used in hunting or for defense.

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Though the blue ringed octopus carries a toxin which can kill humans, there has never yet been a report of an octopus attacking a human. The female southern blue-ringed octopus carries its eggs until they hatch, and dies shortly afterwards.

Sei whale Balaenoptera borealis. It is useful for tracking sequence updates.

Southern blue-ringed octopus

The eggs are carried by the female throughout their development, which lasts for around two months, and the female does not eat during this time. Occurrence records map 0 records. Young southern blue-ringed octopuses are thought to be venomous from birth 2and their blue rings appear when they are about six weeks old 6. Rodents of Macu,osa Size. Blue-ringed octopuses, maculoaa as H. If you have images for this taxon that you would like to share with Atlas of Living Australia, please upload using the upload tools.

Database of comparative protein structure models More Many studies have been done on how southern blue-ringed octopuses choose their mates and if females can choose the sperm used to fertilize her eggs Morse et al.

MoynihanCampbellAustralian wildlife lecturesRogersonPark Aquatic Biomes coastal Physical Description The blue-ringed octopus is a small octopus that ranges in size from 4 mm at birth to up to 20 cm in adulthood. We greatly appreciate all feedback!

Share this image — Hide sharing options. When she is forced to move, she uses only two arms for locomotion. Please donate to Arkive Help us share the wonders of the natural world. Terms of Use – The displayed portlet may be used as a link from your website to Arkive’s maculoss content for private, scientific, conservation or educational purposes only.

Thesis, Prescott College, Arizona. Australian Family Physician32 No images available for this taxon If you have images for this taxon that you would like to share with Atlas of Living Australia, please upload using the upload tools.


North Pacific giant octopus Enteroctopus dofleini. Please consider upgrading your browser.

Select the link destinations: Courtship consists of “love play” Wood, and caressing. Australian Wildlife Lectures, They mature quickly and begin mating the following autumn. Like other species of the blue-ringed octopus, this variety is named for the virulent blue rings that it displays when agitated.

Most commonly found in rocky, shallow pools of water or in shallow corals. Oxford University Press, Oxford.

MoynihanCampbellAustralian wildlife lecturesRogersonPark It was found in a study by Morse and Zenger that as hapalochpaena of the octopus increased, so too did willingness to mate.

Description & Behavior

This stage of the life cycle, the young will float to the top and join the plankton for about a month. This being said, it is likely that Mcaulosa. Southern blue-ringed octopus status The southern blue-ringed octopus has yet to be classified by the IUCN. It may NOT be used within Apps. At the end of this time period they will once again return to the bottom to resume their normal life. Start or join a discussion about this species below or send us an email to report any errors hapxlochlaena submit suggestions for this page.

Home Australia’s Species Hapalochlaena maculosa: X Close Image credit. Both genders of this species are promiscuous, as they only have a limited set of gametes. ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe. This may provide the toxin into its bloodstream.