The coat color of arowana is generally when its body length reaches 30 cm. Under normal circumstances, the gill cover of arowana begins to change color, and soon the scales will begin to change color. First, the first scale frame of the scales in the first half of the body begins to color.

Arowana is a carnivorous fish. When feeding, it is best to feed some small fish and shrimp. The red pigment in shrimp will help the hair color of arowana.