Future Creature, Piranha

My future creature is a piranha. My piranha in the future will be a killing machine. He would have feet and sharp teeth. He will kill all the pandas making them extinct. The reason for the feet would be because there would be a black hole. The black hole would suck up all the water every two years. The lack of water would mean he would have to stock up on food.The feet means he can travel to lake to lake. The teeth of my creature would be very sharp. They would travel in shoals of over 100. The evolution would be a big impact. They would be hunted. Humans would fear them. They would be hunted. The piranhas will be the zombies of the sea and land. They can still swim, but better because they have feet. The feet would allow them to jump aswell