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 ...

That's because, as part of the blue-ringed octopus genus, it's heavily armed – not just with eight arms, but also with tetrodotoxin (TTX), a potent neurotoxin.

It's only the world's third known octopus nursery. The research team may have also discovered a new species of Muusoctopus, a genus of small to medium sized octopus that lacks an ink sack.

Scientists have made a truly bizarre discovery on an expanse of cooled lava 150 miles west of Costa Rica and nearly two miles underwater. There, they laid ...

A new species of octopus may have just been discovered off the coast of Costa Rica. It was found in a rare brooding site that marks only the third octopus nursery known to exist in the world.

Cute octopus looks like something out of Pac-Man 00:38. It looks like a ghost in the Pac-Man video game, has been compared to a Pokemon creature and served as the inspiration for the character ...

The Dumbo octopus genus is filled with rare species that are difficult to study because they reside in extreme depths of 13,100 feet below the ocean's surface.

“The discovery of a new active octopus nursery over 2,800 meters beneath the sea surface in Costa Rican waters proves there is still so much to learn about our Ocean,” said Schmidt Ocean ...