After looking at a breeder's website, I have noticed that there is a stark difference between the discus that they have marked as Blue Diamond, and the discus that I have seen in some local stores and online retailers that is sold under the same name. The former is more subdued in appearance, with a metallic sheen to it's scales and a faint powder-blue hue, while the latter is a stark deep-blue in color all over.
Are these local and online retailers selling dyed fish?
Are these local and online retailers selling dyed fish?