The piranha would win.
the hippo would win because it has a big mouth.
The hippo.
the piranha but only if the were some form of blood in the water cause that would start a piranha feeding freenzy.
a full grown hippo
The hippo would win because it is much stronger and more powerful. The moose's hooves or antlers (if it is a bull moose) would not do anything due to the thick hide of the hippo.
The hippo and the bison lives in completely different environments. Even if they fought each other, the hippo has a weight, size, thick skin, and big jaw advantage over the bison. In a fair fight, the hippo may win.
Possibly the hippo.
A rhino of course don't be a rogelio
the hippo because when the hippo go into the water the elephant cant go because it cant swim
The Rhino.
Rhino
The Crocodile Could Eat The Hippo But The Hippo Could Get The Crocodile Away With TheBreath...... I believe they would both win. ------ I personally think it depends on the size and age of both. ----- A hippo would win because it could put a foot ontop of the crocodile's mouth and then the crocodile wouldn't be able to move its mouth.