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https://en.wikipedia.org/wiki/Blue-ringed_octopus

Blue-ringed octopuses, comprising the genus Hapalochlaena, are four highly venomous ... The blue-ringed octopus, despite its small size, carries enough venom to kill 26 adult humans within minutes. Their bites are tiny and often painless, ...

http://www.aquariumofpacific.org/onlinelearningcenter/species/greater_blue_ringed_octopus1

The body of H. lunulata is about the size of a grape seed at birth and that of a golf ball at maturity. Adults are usually less than 5 cm (1.97 in) ...

https://www.dkfindout.com/uk/animals-and-nature/squid-snails-and-shellfish/blue-ringed-octopus/

The blue-ringed octopus is only about 20cm (8in) long, but it is one of the most venomous animals in the ocean. Its bite causes paralysis (loss of feeling) in the ...

https://marinebio.org/species/blue-ringed-octopuses/hapalochlaena-maculosa/

Lesser (Southern) blue-ringed octopuses, Hapalochlaena maculosa, are the larger ... The dorsal (upper) surface of their mantle usually has a rough appearance ...

https://oceana.org/marine-life/cephalopods-crustaceans-other-shellfish/southern-blue-ringed-octopus

The southern blue-ringed octopus is restricted to the southern coast of Australia, where it feeds primarily on small crustaceans. ... Ecosystem/Habitat. Tidal Pools ...

https://www.thoughtco.com/blue-ringed-octopus-facts-4173401

Jan 10, 2020 ... Distinguishing Features: Small octopus with yellowish skin that flashes bright blue rings when threatened. Size: 12 to 20 cm (5 to 8 in); Diet: Small ...

https://www.aims.gov.au/docs/projectnet/blue-ringed-octopus.html

Size differs between species, but they range from four to six centimetres long, with arms reaching lengths of seven to 10 centimetres. The group is named for the ...

https://www.leisurepro.com/blog/explore-the-blue/5-blue-ringed-octopus-facts/

Apr 20, 2013 ... The blue ringed octopus is one of the only venomous species of octopus. It is only about the size of a human hand, but the toxins found in the ...

https://oceanconservancy.org/blog/2017/03/13/the-blue-ringed-octopus-small-but-deadly/

Mar 13, 2017 ... When not seeking food or a mate, blue-ringed octopuses often hide in crevices, shells or marine debris. If you catch them outside of their cozy ...

https://theculturetrip.com/pacific/australia/articles/cute-but-deadly-7-facts-about-the-blue-ringed-octopus/

Starting at (approximately) the size of a pea and only growing to the size of a golf ball, this little guy can often be missed. With a lifespan of approximately two years  ...