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 ...

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 ...

The blue-ringed octopus, a small marine creature found in the Indo-Pacific region, harbors enough venom to kill 26 adult humans within minutes. Its potent neurotoxin, tetrodotoxin, causes rapid ...

An Australian teenager had a lucky escape after being bitten by one of the world's most toxic animals, a blue-ringed octopus, after accidentally picking up the deadly cephalopod hiding in a shell. But ...

A blue-ringed octopus is one of the most dangerous animals in the ocean. Its bite can be fatal to humans. However, very few people have died from a blue-ringed octopus bite. These octopuses are not ...

A woman in Australia was rushed to the hospital on Thursday after she was bitten by a highly venomous octopus. The unnamed woman in her 30s was swimming at Chinamans Beach in New South Wales when she ...

A tourist visiting Australia has unknowingly had a brush with death after filming themselves handling a very dangerous creature. Footage uploaded to Reddit shows the unwitting tourist holding a deadly ...

Blue-ringed octopi are some of the deadliest marine life in the ocean, though they rarely bite humans. There are several species of blue-ringed octopus, part of a genus known as Hapalochlaena. They ...

Cephalopods have colour-changing chromatophores on their skin, which allows them to camouflage themselves — but the blue-ringed octopus has a different trick up its tentacle. Michelle Starr is ...