Huge blue-ringed octopus and crab battle in an underwater showdown in the Mornington Peninsula | Daily Mail Online
First aid for bites and stings: Blue-ringed octopus - MyDr.com.au
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.
Blue Ringed Octopus | Fishing Tasmania
Blue-ringed octopus venom causes numbness, vomiting, suffocation, death
A blue-ringed octopus bite is rare but potentially deadly. Here's what you need to know - ABC News