Add Yahoo as a preferred source to see more of our stories on Google. A yellow octopus with blue rings on its body sitting on the seafloor An Australian teenager had a lucky escape after being bitten ...

This small, cute looking creature is one of the most dangerous animals in the ocean. It hides on shallow reefs, blending into its surroundings. While snorkeling or walking near the shore, you might ...

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 ...

Thomas Mulligan examines the potent neurotoxins of the blue-ringed octopus to reveal how such a small creature can pose a ...

A new blue octopus species, Microeledone galapagensis, was recently discovered near Darwin Island in northern Galápagos.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling.

A Sydneysider has issued an urgent warning to locals after he spotted a deadly find in the shallows of a popular beach. The ...

The new species, named Microeledone galapagensis, has a blue hue, which is believed to be the rarest color in nature.