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 relaxing stroll along Sydney Harbour could have turned deadly for one man and his dog after a brush with one of Australia’s most venomous sea creatures. Jesse Donnison and his dog Otto were walking ...

Richard Blyth was fishing by the North Shore pier this week when he noticed the electric blue spots of the poisonous octopus. “I was a bit under the size of a tennis ball,” he said. Blue-ringed ...