Blue ringed octopus Ed9th October 20131 CommentBlue ringed octopus, enough venom to kill 26 adults and no antivenom exists, top critter!!! Canon 7d in a Nauticam USA housing 100mm macro, rest of the pics are here Tags:blue ringedcephalopoddivingindonesialembeh straitoctopusvenomous 1 thought on “Blue ringed octopus” Lyle Krahn 9th October 2013 at 9:41 pm Yikes. Beautiful and dangerous. Reply Leave a Reply Cancel reply Your e-mail address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, e-mail, and website in this browser for the next time I comment.