Have you ever seen a blue-ringed octopus while diving? 🐙 Despite their innocent appearance, they are among the most venomous marine species on the planet. 😳 📷 IG user 'kenzokiren' 📍Lembeh, Indonesia | PADI

Here's an amazing up close look at the famed blue-ringed octopus! Is this on your to-see list? 📷: @julia.waterchild (IG) | SSI

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 in our Marine Life Encyclopedia: https://bit.ly/3hREuut | Oceana

Filmed this Blue Ring Octopus in Anilao Philippines. This tiny cephalopod has enough venom to kill 26 people. It is about the size of your thumb. It flashes its blue rings when it feels threatened. Once I shined my light on it, it started flashing. Such a cool animal! | OceanShutter