Am I mistaken or did I read that there is a black pastel line that was line bred for no duck-billing? I thought I saw that in a tthread about black pastels on here. If that is the case, then duck billing could be avoided via specific breeding. Though I'm not sure that the duck billing issue is linked to the kinking / clefting etc deformation.
The suma is hot, I hope to have some mahogany in my collection one day (well in the future lol)