Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal. The Schmidt Ocean Institute captured this footage of the incredibly rare ...

Researchers studying a deep-sea octopus called Muusoctopus robustus have found thousands of the animals congregating at ...

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

This newly discovered species of octopus is a deep-sea shapeshifter with large eyes and blood-red tentacles. Sounds terrifying? Don’t fret: these strange little guys are smaller than a golf ball.

Octopuses are cephalopods that live in oceans around the world. They are also some of the most intelligent creatures on Earth. Their brain structures vary depending on where they live. For example, ...

Scientists say they have discovered what might be a new species of octopus while searching the Pacific Ocean floor near the Hawaiian Islands. On Feb. 27, a team found a small light-colored octopus at ...

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 ...

One of the world's most elusive sea creatures has washed up on a British beach. The septopus - the seven-legged octopus - is a species with eight arms like other types - but in males, one of them is ...

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A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang (2025) ...