| Most definitely yamabuki can loose their color. The very cheap stuff either goes very golden yellow with orange spots ( they have too much red pigment with the yellow pigment) or they turn white ( yellow pigment is surface color only so as the fish grows they loose the color).
Like kohaku, the secret in the skin type. A fish that is of the right shade of yellow ( or cream yellow) in the right type of skin will get more yellow as it ages. There is often a green or cream cast to the skin along with the yellow pigment. These are the best adults. This is also a skin that can have loads of fukurin as the fish ages. JR |