Discover 10 fascinating animals with blue blood and learn how hemocyanin helps them survive in extreme and low-oxygen habitats.

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 ...

With three hearts, blue blood, and the ability to squeeze through tiny spaces, the octopus is one of nature’s most fascinating and intelligent creatures. Its otherworldly features and problem ...

I am intrigued that the octopus can be found in our Southwest Florida waters. The most common variety found in our waters is the Caribbean reef octopus (Octopus briareus). The octopus is a master of ...

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 ...

It’s an octopus-eat-octopus world. Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses ...