A remarkable observation of a one-meter-long octopus displaying unexpected feeding behavior, targeting vegetable-like marine ...

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.

Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

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 ...

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 ...

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, ...

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 ...