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 Geelong mother dismissed her eight-year-old when he shouted he’d found a blue-ringed octopus at Eastern Beach – until she ...

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 ...

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do ...

Andy McConnell shared a video of a blue-ringed octopus during a recent vacation in the Philippines A man captured himself unknowingly holding the world's deadliest octopus. On Thursday, Dec. 11, ...

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 ...

When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...