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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Please donate to Arkive Help us share the wonders hapalocnlaena the natural world. Sign up to our newsletter Get the latest wild news direct to your inbox. Wildscreen With – Tom Hooker: Blue-ringed octopuses, Hapalochlaena maculosacan be found only in the temperate waters of southern Australia, from southern Western Australia to eastern Victoria at depths ranging from 0- 50 m. The range of the southern blue-ringed octopus extends across the entire south coast of Australia 6from Western Australia to eastern Victoria 3.

For this gapalochlaena of octopus, there is approximately a two-month window in which a female acquires and stores sperm from multiple males. View interactive map View records. Hapalochlaea the blue ringed octopus carries a toxin which can kill humans, there has never yet been a report of an octopus attacking a human.

Smaller patches dot their web and base of their arms. Microsoft Encarta 98 Encyclopediacomputer version ‘ Pacific Ocean body of water between the southern ocean above 60 degrees south latitudeAustralia, Asia, and the western hemisphere. This being said, it is likely that H. From Wikipedia, the free encyclopedia. Rogerson Biogeographic Regions australian native indian ocean native pacific ocean native Habitat Most commonly found in rocky, shallow pools of water or in shallow corals.


Common octopus Octopus maaculosa.

This can often pose a problem in an aquarium environment, where underground filters are common. Classification Kingdom Animalia animals Animalia: There are at least 10 species of tiny blue-ringed octopuses, which, ironically for their size, are the most deadly of all cephalopods.

People have begun to over-react and kill octopuses encountered hapalocblaena shallow tidal pools.

Description & Behavior

Hanlon and Messenger Terms of Use – The displayed portlet may be used as a link from your website to Arkive’s online content for private, scientific, conservation or educational purposes only. There are currently no known conservation efforts for the southern blue-ringed octopus. Cephalopod Life Cycles v. Both genders of this species are promiscuous, as they only hapqlochlaena a limited set of gametes.

This may provide the toxin into its bloodstream. Two of these are Hapalochlaena lunulata and Hapalochlaena fasciata. This is larger by roughly 5 centimeters on average with other varieties of the blue-ringed octopus. X Close Link to this photo Embed this Arkive thumbnail link “portlet” by copying and pasting the code below.

Southern blue-ringed octopus – Wikipedia

This information is awaiting authentication by a species expert, and will be updated as soon as possible. Wildscreen With – Tom Hooker: Suggested conservation actions for the southern blue-ringed octopus and other blue-ringed octopus species include increasing the size of Marine Protected Areas and enforcing laws to reduce run-off of pollutants into coastal waters.

This totally paralyzes its prey, often hapakochlaena it outright.

Harcourt Brace Jovanovich Press. Start or join a discussion about this species below or send us an email to report any errors or submit suggestions for this page. Australian Wildlife LecturesSeaworldPark Conservation Status There was no information on conservation efforts made for the blue-ringed octopus.

Accessed Monday, December 31, Image credit Link to this image Add to scrapbook How you can maculossa this image. The dorsal upper surface of their mantle usually has a rough appearance covered by numerous irregularly arranged wrinkles.


Journal of Molluscan Studies. Hapalochlaena maculosa Hoyle The Blue-Ringed Octopus Dr. This species reaches sexual maturity at just four months old 3 6and may begin laying eggs a month after that.

Blue-ringed octopuses feed on small crabs, hermit crabs, and shrimp that it hunts during the day.

NP1 – Hapalochlaena maculosa (Blue-ringed octopus)

They are not aggressive and tend to avoid confrontation by flattening their body and blending into their surroundings. In general, not much is known of use of these displays in this particular species. Also found under rocks in sandy or muddy stretches ha;alochlaena bottom where alga is plentiful. October 14, This is version 9 of the entry and version 1 of the sequence.

Humans have only been injured when a blue-ringed octopus is provoked or stepped on. This is much to the dismay of many toxicologists maculossa feel that people selling and buying them are uninformed of the true danger they pose. We sincerely thank our thousands of members, donors and sponsors, who have decided to get involved and support the MarineBio Conservation Society. Human victims can be saved if artificial respiration begins quickly; however there is no known antidote and the only treatment is ongoing heart massage and artificial respiration until the poison dissipates usually in 24 hours with no ill-effects.

This species also is used for its venom.