190K views · 1.2K shares | 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/39oZhQG | Oceana | Facebook

As their name suggests, blue-ringed octopuses have iridescent blue rings on their skin. These rings typically appear when the octopus feels threatened or agitated. When at rest, they often display a more muted coloration. Despite their small size, blue-ringed octopuses are considered one of the most venomous creatures in the ocean. Their venom contains tetrodotoxin, a potent neurotoxin that can be fatal to humans. 📍 Dauin, Philippines . . . #ocean #octopus #bbc | Critter Hunter

995K views · 14K reactions | See how the blue-ringed octopus warns predators away—and paralyzes prey. | National Geographic | Facebook

14K views · 655 reactions | 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 | Facebook

😲🐙 Did you know there are blue-ringed octopuses on the Sunshine Coast? This one was spotted in the rock pools at Kings Beach, Caloundra. Marine biologist Kathy Townsend says the tiny creatures are masters of camouflage, but they have an incredibly toxic bite. Her advice? Don't pick them up, and have a good look inside any shells before putting them in your pocket, because they sometimes hide inside them. 📹 Emily Fox 📻 Tune in to ABC Sunshine Coast weekdays from 5am on the ABC listen app, str