![Blue Ringed Octopus on Reeftop in Lembeh Strait, Indonesia Stock Photo - Image of nature, animal: 133773620 Blue Ringed Octopus on Reeftop in Lembeh Strait, Indonesia Stock Photo - Image of nature, animal: 133773620](https://thumbs.dreamstime.com/z/blue-ringed-octopus-reeftop-lembeh-strait-indonesia-greater-blue-ringed-octopus-hapalochlaena-lunulata-reeftop-lembeh-133773620.jpg)
Blue Ringed Octopus on Reeftop in Lembeh Strait, Indonesia Stock Photo - Image of nature, animal: 133773620
National Aquarium - The greater blue-ringed octopus is only about 4 inches across, but it holds enough venom to kill as many as 26 people... within minutes. Look, but definitely don't touch.
![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)