Can you imagine?Who will be killed when shark meet with hippo?

Sharks, which I prefer to be a Great White, needs deep waters to move around.. Hippos can only submerge themselves at a particular depth.. I think if the scene was in deep waters, the Great White would have an advantage..

the shark is on of the most fierce animals in the sea.but the hippo cannot alive into the deep sea but the river.so if this two kinds of animal are putted into the sea,i think the hippo will run to where is close to the land,and shark will run after hippo .on the opposite,if they are thrown in the river ,shark could not swim fast .if it want to fight with hippo ,the result was poor.it may be dry to die.The most important puzzle to me is that if the shark's tooth is more acuit enough to destroy the hippo's skin.