A blue-ringed octopus (Hapalochlaena) is a creature that belies its small size with an astonishingly lethal secret. Measuring no larger than approximately 2.5 inches in length, with arms spanning ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The blue-ringed octopus, despite its small ...

Don't let the beauty or size of the blue-ringed octopus fool you. While it's quite stunning, with bright yellow skin patterned with small blue rings that intensify when it is threatened or under ...

The distinctive blue markings on a deadly blue-ringed octopus make the marine animals easily recognisable, even if its average size of just seven centimetres can make them easy to miss. But the sight ...

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 ...

Jason Tolley from Perth, was snorkelling and collecting sea shells with his son at Point Peron in Western Australia last week, stumbling upon a blue-ringed octopus hiding inside one of the shells. In ...