piaractus brachypomus in deep waters underwater image

animal aqua aquarium aquariums aquatic attraction background basin beauty biology blue catfish centre city closeup conservation enjoying environment europe exotic exploration explore fish fishing fresh freshwater istanbul life light marine nature ocean performance person public reef research river saltwater scene scenery screenshot sea sealife stingray stingrays swim tourism tourist travel tropical turkey underwater world redtail deep waters caribian snorkeling diving piaractus brachypomus pirapitinga large species pacu close relative piranhas silver serrasalmid family native amazon south america populations orinoco