Deep sea researchers spotted a rare dumbo octopus almost one mile below sea level off the coast of Hawaii on Sept. 13. (Video: The Washington Post) ...

One deep-sea octopus species broods its eggs for four and a half years. Away from the hydrothermal vents in the near-freezing temperatures of the deep sea, egg-brooding periods are thought to last ...

Scientists believe this octopus is potentially a new species of Muusoctopus, a genus of small to medium-size octopus. It’s not known how long the deep-sea octopuses brood their eggs for at that ...

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These ...

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.

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...

The team thinks the octopus garden is just one of many deep sea octopus environments out there. Just five miles away from the garden, researchers found another octopus nursery near thermal springs.

See a Newly Discovered Deep-Sea Octopus and Its Adorable Alien Children Images from an ROV reveal the bizarre cephalopods and their habitat. By Isaac Schultz Published January 16, 2024 ...

Deep-sea octopus eggs can take five years to develop in the freezing temperatures of the ocean. However, the incubation period could be significantly reduced by warmer waters.