Instead of blending in with the background, octopuses hide from predators by taking on the shape and color of specific objects in their environment, new research suggests. "Octopuses are considered to ...

The ocean is home to countless fascinating creatures, each uniquely adapted to survive in a challenging environment. Among these, octopuses and crabs often find themselves in conflict, as octopuses ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

Learn what this seven-armed cephalopod loves to eat and how it catches its prey.

The blue-ringed octopus may be tiny, but its venom is deadly. A video of a man holding this world's venomous animal goes ...

Learn why octopuses change color, how fast they can blend into their surroundings, and how the creatures can change into ...

The coconut octopus in this video from furbabiesplus looks like a walking squirt gun. A curious Husky trying to take a closer look at this remarkable creature gets a snout full of water for his effort ...

Octopuses are cephalopods that live in oceans around the world. They are also some of the most intelligent creatures on Earth. Their brain structures vary depending on where they live. For example, ...

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

With blue blood and three hearts, the octopus has one of the most unusual circulatory systems in the animal kingdom.