Further remains of an unusual deep-sea creature called a seven-arm octopus have been found on an Aberdeenshire beach. Arms ...

Videos of octopuses solving puzzles and escaping from jars have long fascinated people — from the safety of dry land, of course. But under the sea, octopuses’ deadly intelligence makes them one of the ...

What animal has blue blood, three hearts and can change color and shape within three-tenths of a second? The same animal has venom like a snake, a beak like a parrot and ink like a pen. It is an ...

Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, whales, many fish species, and marine mammals like seals and sea lions have ...

Octopus mating behaviors can be quite deadly. Many species are cannibalistic, making the entire prospect of mating dangerous, and female octopuses often die after laying one clutch of eggs. Their ...

If you thought a giant octopus clutching you with its eight arms was the stuff of nightmares, think again. A diver from Mayak Gamov, Russia, was exploring the Sea of Japan when the massive mollusk ...

Octopuses are among the most sophisticated predators in the animal kingdom. The same cannot be said about the humble pufferfish. But a recent encounter between the two suggests the creatures may ...