It will be interesting to see how other mutations, particularly white bellied ones, effect the distribution of white in homozygous pieds. To my way of thinking pied is preventing the pigment from migrating down from the back (neural crest I think is the term). In the markered het pieds the pigment is excluded from the belly and in low white pieds it's just excluded just a little higher up the sides. Mutations like the leucistic alleles, spider, and cinnamon also have something that prevents the pigment from making it all the way to the belly so I guess it shouldn’t be surprising that the combination restricts the pigment even more.

We know that the amount of white varies from normal pied to pied but so far I think it's looking like the spider pied combo is predictably high white, with only a yellow head, right? I thought I had heard of more lesser pieds but don't remember seeing pictures to know if they have all been 100% white like the first one or not. The first few mojave pieds and the first homozygous cinnamon pied where also extremely high white, more so than any just pied I remember seeing.

I need to get a lesser to start working toward a totally pied white (the cleanest of white I understand) snake but it would be nice to know if lesser pieds are just extreme high white or most likely to be totally white like that first one RDR produced.