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

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