I'm not so sure that Leucistic is the correct term to be used here, but you've definitely got something!
If we want to be literal about the terms, Leucism is complete lack of pigment cells being activated, creating a completely white animal without any pattern or colors - sometimes not being complete across the whole animal which is what creates pie-bald animals. And for whatever reason, the animal also keeps color in the eyes, although more often than not, having blue eyes.
I suppose what you have going on here would be more along the lines of a hypomelanistic animal, lacking most of the dark pigmentation normally found. What it does make is a very interesting and different animal - good luck on breeding them, chances are it is a genetic trait, but only time will tell.