![Genome‐wide comparisons reveal a clinal species pattern within a holobenthic octopod—the Australian Southern blue‐ringed octopus, Hapalochlaena maculosa (Cephalopoda: Octopodidae) - Morse - 2018 - Ecology and Evolution - Wiley Online Library Genome‐wide comparisons reveal a clinal species pattern within a holobenthic octopod—the Australian Southern blue‐ringed octopus, Hapalochlaena maculosa (Cephalopoda: Octopodidae) - Morse - 2018 - Ecology and Evolution - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/3de20a48-29e4-4b19-9c1e-2b434e8ceb27/ece33845-fig-0001-m.jpg)
Genome‐wide comparisons reveal a clinal species pattern within a holobenthic octopod—the Australian Southern blue‐ringed octopus, Hapalochlaena maculosa (Cephalopoda: Octopodidae) - Morse - 2018 - Ecology and Evolution - Wiley Online Library
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.
![The Deadly Blue Ringed Octopus Stock Photo - Download Image Now - Blue Ringed Octopus, Octopus, Sea - iStock The Deadly Blue Ringed Octopus Stock Photo - Download Image Now - Blue Ringed Octopus, Octopus, Sea - iStock](https://media.istockphoto.com/id/526922663/photo/the-deadly-blue-ringed-octopus.jpg?s=612x612&w=0&k=20&c=dB1KacnIa9OCmwKSLmrcmRY5cCcnl8XpZJ7PpdlXlT4=)