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 ...

This blue-ringed octopus found in Anda, Bohol is actually a venomous one despite its small size. Content creator Anna Marie Gultinao said on Kim Atienza's report on "24 Oras" that she was picking up ...

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 ...

Octopuses already exist in a strange corner of the animal world, with soft bodies, problem-solving brains, and the ability to change color in a blink. Even within that group, a handful of species push ...

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 ...

This is the terrifying moment a beachgoer held a highly venomous blue-ringed octopus with her bare hands. Anna Marie Deloso Gultiano and her family were collecting seashells and sea grapes on a rocky ...

Humans are not the only species who practice 'safe sex', although this means something quite different for one species of octopus. Marine biologists from Australia have revealed that male-blue lined ...