This is the terrifying moment tourists unknowingly handled a highly venomous blue-ringed octopus. Holidaymaker Regine Niepes and her friends spotted the deadly cephalopod and picked it up from the ...

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 ...