It's a co dom morph. It's no different than having the "Special", or a phantom, or any other subtle morph. When you start working with them it becomes easy to tell what they are. I answered the question the best I could when it was asked how to tell them apart.
Of course we know with breeding this male in particular there won't ever be any normals since it is the super form. It's good to see comparative photos though. Especially if they ever breed a single gene Russo, or say, a Russo combo that isn't a Leucistic. Then they'd have the chance of getting normals.
My post is not for people who have "dinkers" of unknown origin. It is for someone who is working with the gene and will be seeing these babies a lot now. The colors of a baby Russo look like candy. I don't consider myself an expert at anything but I have never had the slightest problem picking out Russos from my clutches.
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Snakes, Jeeps, Dragons, Nature, & Knives.. Makes my world go-round!