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

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

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 ...

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 ...

While the bite from a venomous blue-lined octopus (Hapalochlaena fasciata) can result in a painful, potentially life-or-death emergency for humans, new research indicates it’s part of everyday ...

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 ...

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 ...

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 ...

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 ...

(CNN) — Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom ...