![Greater blue-ringed octopus | Churaumi Fish Encyclopedia | Okinawa Churaumi Aquarium - For the next generation to inherit; the beautiful seas of Okinawa. - Greater blue-ringed octopus | Churaumi Fish Encyclopedia | Okinawa Churaumi Aquarium - For the next generation to inherit; the beautiful seas of Okinawa. -](https://churaumi.okinawa/userfiles/fish_images/sanngo_musekitsui/oomarumonndako4.jpg)
Greater blue-ringed octopus | Churaumi Fish Encyclopedia | Okinawa Churaumi Aquarium - For the next generation to inherit; the beautiful seas of Okinawa. -
![Greater blue-ringed octopus, Hapalochlaena lunulata is one of four species of highly venomous blue-ringed octopuses belonging to the family Octopodida Stock Photo - Alamy Greater blue-ringed octopus, Hapalochlaena lunulata is one of four species of highly venomous blue-ringed octopuses belonging to the family Octopodida Stock Photo - Alamy](https://c8.alamy.com/comp/2AHMFRJ/greater-blue-ringed-octopus-hapalochlaena-lunulata-is-one-of-four-species-of-highly-venomous-blue-ringed-octopuses-belonging-to-the-family-octopodida-2AHMFRJ.jpg)
Greater blue-ringed octopus, Hapalochlaena lunulata is one of four species of highly venomous blue-ringed octopuses belonging to the family Octopodida Stock Photo - Alamy
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