Blanket octopus pairs are some of the undersea world’s oddest couples. What’s so startling is the size difference: Males are about the size of a walnut—less than an inch long—but some ...

“The octopus basically works as the decider of the group,” says co-author Eduardo Sampaio, an animal-behaviour researcher at the Max Planck Institute of Animal Behavior in Konstanz, Germany.

An octopus patrols a shallow reef, searching for food–and it’s not alone. A flurry of fish move alongside it, in a group hunting phenomenon observed in multiple marine locations around the world.

Curious, you flip it over. A row of suckers. A pair of eyes. An octopus. In particular, Amphioctopus marginatus, also known as the coconut octopus. Its common name comes from its habit of hiding ...

We contacted Octopus and it said that there are over 30 million smart meters now installed across Britain, and on the whole, they work incredibly well. Of course, with any technology, there are ...

The Dumbo octopus is an elusive cephalopod that gets its name from its large ear-like fins, which resemble those of the lovable Disney elephant. But there's still lots we don't know about these ...

News that the world's first commercial octopus farm is closer to becoming reality has been met with dismay by scientists and conservationists. They argue such intelligent "sentient" creatures ...

A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting groups with fish, which sometimes include several fish species at once. The research ...

They spend a lot of their time tucked away in crevices, hiding from animals that might try to eat them. There may be around 10 different species of blue-ringed octopus, though only four have been ...

Just not sports. At least until now. Here's what you need to know about football's "Octopus," a label you could hear plenty ...

“Not just one octopus and one fish,” Sampaio says. “We’re talking about one octopus and five, six, seven, eight, nine, ten very different fish.” Sponsor Message For years, the hierarchy ...