The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While the bite from a venomous blue-lined octopus (Hapalochlaena ...