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 ...

During mating, some male octopuses inject females with their potent venom to paralyse them – and avoid being eaten by their mates. Typically, animals use venom to kill prey or defend themselves from ...

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