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 ...

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 ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The neurotoxin causes progressive paralysis ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...