Kevin Z over at The Other 95% has a most awesome video series of invertebrates taking down vertebrates. Think you’re so bad just cause you have a spine? THINK AGAIN.
Octopus vs. Shark (classic!)
Centipede vs. Mouse
Centipede vs. Bat
For the sake of fairness, I must add Rick’s scene of vicious fish attacking a poor wounded octopus. *sniffle*