The semi-aggressive Arowana fish are impressive swimmers created for his or her native South American Amazon river. These modern, silver fish are streamlined, carnivorous predators that can increase as much as 4 ft in duration if offered enough Room. Their muscular bodies feature exclusive “drawbridge” formed mouths and tiny tailfins. https://pearlaquatics.my/4-facts-about-maintaining-your-aquarium-by-a-fish-tank-cleaner/