Compared with the arms of an octopus, our own bony limbs are about as flexible as old tree branches. It stands to reason that the anatomy within the cephalopod's sucker-speckled appendages ought ...

Octopus fossils are rare ... The word is Greek for “head-foot” and refers to their weird anatomy, by which their arms are attached directly to one side of their head while their “torso ...

Unlike the octopus's arms, which that animal often uses to move and carry objects, the cuttlefish's eight arms are specialized for grasping prey after the cuttlefish captures it with its two ...

There may be many types of octopus, but they all have a truncated anatomy. One reason why these creatures have three hearts is because they have blue blood, and that blood gets oxygen via a copper ...