Koji;2844879; said:Could it be because of the fish genes? Anyway, they are monsters.
Yeah, most likely genetic - though i have seen on youtube - an arapaima with white patterns. Overhere these are called white-rose pattern, while the orange/red is red-rose pattern.
How long did you have your gigas for? Mine grew to almost 3' is less than a year! the growth was quite explosive and mind-boggling!!!