Trying to be a bait for Sharotooth who is immortal it seems, who can teleport it seems, and who can jump on impossible lenght... What the heck, he walks even faster than you run!Though, plot armor would save you if you are main character.
Eating Spike's food.
^Isn't it obvious? One does not simply take Spike's food.
Lacing Spike's food and having an entire family of swimmers led by Ducky take their revenge against the perpetrator, then.