According to PPP — the YOLO-est of all the pollsters — 56 percent of Americans think a bear would win a fight against a shark, while 44 percent picked the shark. The setting of the fight was not specified, but presumably we are to assume water shallow enough for the bear to stand but deep enough for the shark to swim, otherwise the question would be kind of absurd. Anyway, here is someone who has thought more about this than you have.
