The semi-intense Arowana fish are potent swimmers built for his or her native South American Amazon river. These sleek, silver fish are streamlined, carnivorous predators that will mature as many as 4 toes in size if offered ample space. Their muscular bodies feature distinctive “drawbridge” shaped mouths and little tailfins. https://pearlaquatics.my/how-to-maintain-a-freshwater-aquarium/