red-bellied piranha. a swarm of piranha fish. relatively dangerous freshwater fish. pygocentrus nattereri - south

pirana piranha fish water amazon tropical dangerous freshwater aquatic animal wildlife fauna aggressive river one predator pygocentrus nature underwater carnivore killer aquarium green eye jaws danger bite colorful sharp wild terrifying taxidermy south indoors frightful red sea shot floating tropicalaquarium teeth side blue nattereri fear detail serrasalmus mean swimming fishes