pepperbelly
Contributor
Since this is in Basic I will not comment on backstories or photoshop but respond to the OP. I have been fortunate enough to see them on a number of occasions here in Oz and in the Coral triangle.
Here is some info from an Australian Governement website so the information is reliable Blue ringed octopus - AIMS
Here is another website for fun
More appropriate general statistics
Australia’s Dangerous Animals: The Truth About Deaths.
I really love Aussies!