Blue-ringed octopuses have a beak-like mouth with a radula for feeding. They inject their venom through a sharp, parrot-like beak located in the center of their tentacles. #octopus #ocean #travel | Critter Hunter

See how the blue-ringed octopus warns predators away—and paralyzes prey. | National Geographic

Although only 8-10 inches long, the blue-ringed octopus is one of the most venomous animals on the planet. Their bright blue rings act as a warning to potential predators. Learn more: http://bit.ly/2pA7px2 | Oceana

All octopuses are venomous, but one takes it to the extreme: the blue-ringed octopus. Powerful enough to kill creatures far larger than itself, they have the venom to take down 26 humans within minutes. They are masters of disguise, able to change the texture of their skin to their surroundings. | Real Wild