QuickCheck: Is it true that each tentacle of an octopus has a mind of their own?

The octopus has eight tentacles capable of impressive feats of strength and dexterity.

WE ONLY have two legs but have all experienced a tumble or two trying to use them.

If using two legs can sometimes be challenging, how does a creature like an octopus with not one, not two, not three but eight limbs manage to become an effective predator of the deep seas with precise control of each tentacle?