Have you read the papers that Rich Ihle, et al, published? Link is below.

I've only seen a couple of salmons in the flesh, so all I have to go on is those papers and what I see in these forums. Ideally, a codominant mutant should produce a heterozygote with a phenotype that does not overlap the phenotype of either of the two homozygotes. For what it's worth, my opinion is that when looking for the homozygous salmons, Rich picked out the snakes that were most different from normal. And he didn't test enough snakes that were in the range where the phenotype of the heterozygous salmon overlaps the phenotype of the homozygous salmon.

In other words, the classification of salmon as a codominant mutant gene is partly an artifact of breeder selection.

I've been told that Rich will have an article about salmon in Reptiles Magazine in a few months. Maybe there will be more information in there.

Paul Hollander
salmon articles

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