Commonly known as Red Tail Golden (RTG) or Indonesia Golden Arowana, they are classified under the golden varieties as with the Malaysian Golden or Cross Back Golden. It is found in Pekan Baru of Indonesia. The prices for the Red Tail Golden are more affordable as compared to the Cross Back Golden. The reasons for this is that this fish seldom attain 24K gold as the Cross-Back Golden would and the golden color of Red Tail Golden Arowanas will never cross over its back even when the fish is matured or fully grown. Most Red Tail Golden arowanas will have its golden color reaching the fourth row of the scales and the better ones will reach the fifth row. Apart from that, its tail, finnage and lip color are very identical between these two types of golden varieties.