The semi-aggressive Arowana fish are effective swimmers crafted for his or her native South American Amazon river. These sleek, silver fish are streamlined, carnivorous predators that could develop up to 4 ft in size if offered plenty of space. Their muscular bodies element special “drawbridge” shaped mouths and little tailfins. https://pearlaquatics.my/how-to-build-a-fish-pond-or-a-garden-pond-at-home/