The semi-aggressive Arowana fish are impressive swimmers crafted for his or her indigenous South American Amazon river. These smooth, silver fish are streamlined, carnivorous predators that could expand as many as 4 feet in size if presented ample space. Their muscular bodies element unique “drawbridge” formed mouths and small tailfins. https://pearlaquatics.my/key-tips-to-keep-your-sobo-aquarium-healthy/