The tiny blue-ringed octopus may seem ordinary in the ocean, but its size can be quite deceiving, as it theoretically has ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses ...

Among the ocean's most dangerous creatures, size isn't everything; in fact, some of the smallest marine animals are among the ...

Octopuses are often admired for their intelligence and ability to camouflage. Yet, some hide a threat beneath their tentacles. Among them, blue-ringed octopuses of the Hapalochlaena genus stand out ...

It’s an octopus-eat-octopus world. Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses — to ...

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 ...