Red Bellied Piranhas Swimming In An Aquarium, Freshwater Fish And Ferocious Predator

red bellied piranha red bellied piranha swimming water freshwater fish ferocious red piranha nature summer blue environment spring life marine habitat coastal river behavior creature closeup detail omnivorous predator species old fin underwater natural sea forager fresh water pygocentrus nattereri background freshwater habitat scales skin national geographic undersea redbellied planet neotropical scavenger animal tourist attraction view scene serrasalmidae