single piranha fish, close-up, on abstract blue and gold background. large exotic freshwater pirana predator from south

abstract aggressive amazon america animal aquarium aquatic background blue carnivore characidae characiformes closeup complex copy dangerous dnipro dnu exotic exposition fauna fish floating floodplain fresh freshwater gold isolated lake national nattereri nature pirana piranha predator pygocentrus reservoir river serrasalmidae serrasalminae single south space swim tank tropical ukraine underwater university wallpaper water wild zoo