The blue-ringed octopus is the only octopus to have a lethal toxin that can kill humans. Read here to learn about potential ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

A blue-ringed octopus is one of the most dangerous animals in the ocean. Its bite can be fatal to humans. However, very few people have died from a blue-ringed octopus bite. These octopuses are not ...

From neon-green poison dart frogs to monarch butterflies, some of nature’s flashiest creatures have evolved vibrant ways of telling potential predators: “don’t mess with me.” Such is the case with ...

Blue-ringed octopi are some of the deadliest marine life in the ocean, though they rarely bite humans. There are several species of blue-ringed octopus, part of a genus known as Hapalochlaena. They ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SYDNEY, Australia (WJW) – A woman swimming ...