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

The blue-ringed octopus knows exactly how to scare off potential threats like the stingray. Learn more about these animals in #SecretsOfTheOctopus, narrated by Paul Rudd, now streaming on Disney and Hulu. | 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