Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change ...

Finally, why do octopuses have blue blood? Are you still wondering why octopus blood is blue and what the three hearts do? Well, the blue blood is because the protein, haemocyanin, which carries ...

Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into ...

Like some other marine animals, octopus blood is blue. This is because it contains the protein hemocyanin, filled with copper instead of iron as in human blood. This protein can efficiently ...

Have you ever heard of the Dumbo Octopus? This fascinating creature may not be as well-known as its more famous octopus relatives, but it has some incredible abilities. Named after the Disney ...

Octopuses are like aliens on Earth: three hearts, blue blood, and the ability to squeeze through a space the size of their eyeball; they can use tools, transform their bodies to mimic other ...

But while other octopus species have evolved longer mating arms that allow them to maintain a safe distance during copulation and avoid this fate, blue-lined octopuses have a comparatively short ...

Picture an octopus that could be deadly to humans. You’re probably thinking of a large creature, and not one that is the size of your palm. But indeed, that’s the blue-ringed octopus, one of several ...