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 ...

Along the rocky shores of eastern Australia, a small brown octopus is unassuming as it blends in with its surroundings. When the octopus is scared or hungry, however, it becomes one of the most ...

The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin that can kill a human being within minutes. What is even more frightening ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...