Unprecedented numbers of the common octopus have been found in British waters this year, but what’s behind the rare ‘bloom’?

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by ...

It has been the 'year of the octopus' in seas off Cornwall and the south west of England, as warm conditions led to the ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

Giant Light-Up Octopus Takes Over Ottawa as Protesters Call for a Deep-Sea Mining Ban ...

By combining custom engineering with behavioral science, Swedish YouTuber Mattias Krantz taught an octopus named Tako to play the piano.

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos ...

The rare creature, called Haliphron atlanticus, was seen by the Monterey Bay Aquarium Research Institute’s biodiversity and biooptics team on Nov. 6, the institute confirmed to SFGATE via email. Prior ...

Staff at the Shaw Centre for the Salish Sea were a bit surprised that a U.S. waterway won over local creeks and rivers, but ...

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

A British tourist narrowly escaped a fatal encounter in the Philippines after handling a venomous blue-ringed octopus, mistaking it for a harmless bab ...

This video explores the mimic octopus, a rare marine animal known for its extraordinary ability to imitate other sea creatures. Instead of relying on speed or strength, it changes shape, movement, and ...