Depends whether the jellyfish would lead to a slow and painful death, or a quick and painless death. I'll stick with the shark.

Would you rather eat a dog live, or kill the dog with your bare hands?

Sick, I know.

EDIT: Damnit Simons, why do you post faster than me >:0

I'd bathe in diarrhea. Don't want to bleed to death.

See above for would you rather