In the marine realm, diel vertical migration is a common feeding pattern: During daytime, zooplankton, fish and other marine life that feeds on these organisms hide in the darker depths of the ocean.

Unlike most octopuses, which tackle their prey with all eight arms, a rediscovered tropical octopus subtly taps its prey on the shoulder and startles it into its arms. “I’ve never seen anything like ...

A wild octopus surprised an Australian diver this week by suddenly, and quite dramatically, inflating itself with water, ballooning up like a parachute. Later, when the diver posted a video of the ...

Slowly sneaking up on its prey and carefully reaching an arm over to tap it on the shoulder, the larger Pacific striped octopus startles its food into its arms. As if this recently observed behavior ...

Octopus arms are one of the most flexible structures known in all of the biological world. Their agility is so extraordinary that robotics researchers want to learn the secrets behind their movements, ...

Researchers studying a deep-sea octopus called Muusoctopus robustus have found thousands of the animals congregating at hydrothermal springs near an underwater mountain off California, raising fresh ...

The deep-sea octopus is "rarely seen," per the Monterey Bay Aquarium Research Institute, which has only seen it four times in four decades Researchers collected detailed observations about the octopus ...

UC Berkeley marine biologist Roy Caldwell first saw the intriguing octopus in Panama, in 1977. It was pretty, and striped, and about the size of his little finger. He brought a few specimens back to ...