Some cool stuff on wiki about great whites, they don’t begin to breed until their twenties and thirties and when they get THAT big they may depend largely upon whale carcasses (I didn’t think there were that many dead whales).

"...if the gentlemen of Virginia shall send us a dozen of their sons, we would take great care in their education, instruct them in all we know, and make men of them." Canasatego 1744