Now...this is a match!! Rhino vrs Hippo is a tough match. The winner....well... It would depend on where they fought. On land, rhino is much quicker and faster, not to mention the horn. In the water a rhino would have no chance against the "river horse." Ask innumerable large crocodiles.I will side with the hippo. With its speed and huge muscles and weight, the rhino might not survive its aggression.