Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living ...

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

Scientists searching the deep sea off the coast of Hawaii released video this month of a dumbo octopus, the deepest-living of all known octopuses.

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 ...

Researchers have documented an active octopus nursery, where hundreds of the deep-sea creatures cluster together to brood their eggs.

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.

Biology Newly Explored Deep Sea Octopus Nursery Is Just the Third Ever Discovered A recent expedition to the waters of Costa Rica has yielded new discoveries about deep sea octopuses.

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.

Deep in the ocean, living in eternal darkness, is the dumbo octopus (of the genus Grimpoteuthis), a creature that few humans have seen face-to-face. When someone is lucky enough to spot one, they're ...

Deep in the ocean, living in eternal darkness, is the dumbo octopus (of the genus Grimpoteuthis), a creature that few humans have seen face-to-face. When someone is lucky enough to spot one, they're ...