I've never eaten a live octopus.
The tentacles of octopus are served as a famous dish.
I am afraid of octopus.
This is an octopus.
The octopus is a type of sea-creature with eight tentacles.
It takes a lot of work to make an octopus tender enough to eat.
Have you eaten octopus before?'
... study showed that an octopus in captivity can recognize...
The octopus is in the sea.
That octopus returned to the sea without being eaten.
Octopus Paul was right.