The semi-aggressive Arowana fish are impressive swimmers created for his or her native South American Amazon river. These smooth, silver fish are streamlined, carnivorous predators that can improve as much as 4 ft in duration if given ample House. Their muscular bodies characteristic exceptional “drawbridge” shaped mouths and little tailfins. https://pearlaquatics.my/4-facts-about-maintaining-your-aquarium-by-a-fish-tank-cleaner/