Originally Posted by Socratic Monologue
I don't know anything about isopods, really, but in some reptiles there are numerous genetic ways to make a leucistic animal. Sometimes it is one recessive gene, sometimes (as in ball pythons) 'lucys' are the "super" (homozygous) form of some visually very different dominant gene; there are a handful of such super forms, all seperately sought after.
So, you might have something new.
Thanks for the info! Genetics can get so convoluted.