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 ...

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.

Their bizarre bodies, blobby shape and unique intelligence rank octopuses among the most beloved creatures of the ocean. The 2020 documentary “My Octopus Teacher” was showered with accolades for its ...

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 ...

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 ...

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

Bottlenose dolphins living off the coast of southwest Australia have a dilemma. The local octopuses are tasty and packed with protein, but they are also intelligent, fierce fighters. It’s not enough ...

A seldom-spotted deep-sea octopus was seen off of the coast of California in November, marking just the fourth sighting in as many decades. The evasive creature, called the seven-arm octopus, was ...

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 ...