
What curious creatures have eight arms, three hearts, blue blood, and no backbone? Octopuses and squid do From the tiny Japanese pygmy squid to the huge blanket octopus, these fascinating creatures have weird and wonderful adaptations that help them survive in their ocean home...

What curious creatures have eight arms, three hearts, blue blood, and no backbone? Octopuses and squid do From the tiny Japanese pygmy squid to the huge blanket octopus, these fascinating creatures have weird and wonderful adaptations that help them survive in their ocean home...