Octopus

Octopus, Octopus, tentacles eight -
If eight arms I had, why I'd play baseball great.

Suction cups everywhere, nothing escapes
Your dreadful grasp as now wide your mouth gapes.

Floating and crawling along the sea floor,
You're always hungry and always want more.

But when a predator bigger than you
Wants you for dinner, here's just what you do:

Out of your middle, a cloud black and thick
You spray in the water, and run away quick!