What's the difference between a red dragon and a golden dragon?

The difference between arowana and arowana:

Arowana, native to Indonesia, is an expensive freshwater ornamental fish. Its body shape is very similar to that of arowana, and its scales, snout, gill cover, fins and tail are all red in different degrees. It is subdivided into orange, pink, crimson and blood red. Arowana will not appear red.

Arowana, a beautiful bony tongue fish, is large and flat, and its trunk is covered with huge and neatly arranged shiny scales; It has a big mouth and two tentacles at the corners of its mouth. It swims leisurely, just like the mythical "dragon", hence the name "arowana". It still retains the physical characteristics of ancient times and is known as the "living fossil of fish", which is of great breeding and ornamental value. An ancient group of freshwater fish with bearded jaws, flat bodies and ribbed bellies. When the fish is young, it is characterized by a thin golden frame with a light red stripe on the green background. When you grow up, the shallow scale frame will turn golden yellow, and the scales with golden blue or green background will reach the fifth row of scales and pass through the whole dark green back. The difference from red anger gold is the difference between anger and anal fin, and the back and upper part of caudal fin should be dark blue.