Add Yahoo as a preferred source to see more of our stories on Google. An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. (Eduardo Sampaio and Simon Gingins) ...

Video from a recent study shows multiple examples of octopuses using their tentacles to punch fish, but it's not part of a sanctioned aquatic boxing match. Instead, researchers said the animals do ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...

The Red Sea, sandwiched between northeast Africa and the Arabian Peninsula, is teeming with life, including octopuses and more than a thousand species of fish. Every day, the goal of these creatures ...

A new study found that some members of an octopus species hunt cooperatively in groups with fish. Video shows octopuses punching their companion fish to keep them on task and contributing to the hunt.