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 small enough to sit in a human palm carries a neurotoxin load that toxicologists describe as ...

A newly discovered change in ribosomal RNA makes protein production more precise, potentially safeguarding these cephalopods’ ...

Tiny, colorful and almost cartoonishly cute, it looks like the sort of sea creature you’d want to photograph up close... but ...

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 ...

An experienced local diver and underwater photographer has captured an extremely rare sight: a mother blue-ringed octopus carrying her eggs in Port Phillip Bay.

Being bitten by a strange animal can be extremely scary, especially since so many species use venom against their prey. One such animal is the blue-ringed octopus. While octopus venom is not typically ...

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 ...

Following a crackdown on Madagascar giant hissing cockroaches at Bangkok’s famed exotic pet market, buyers are now squirming to get their hands on the newest rage: the deadly blue ring octopus, a news ...

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A lucky diver managed to capture the rare sight of a mother blue-ringed octopus with her eggs in Port Phillip Bay, Victoria.