Small dark specks on Iberian Ribbed Newts - skin condition?

[Aristotle 2]

Hello, I've noticed some small dark specks appearing on my Iberian Ribbed Newts - not the usual markings. I'm wondering if this may be some sort of skin conditon. If anybody has any information or advice , it would be very much appreciated.

 

[xxianxx]

Looks like its starting to shed, its not always noticeable on the dark ones but highly visible on the light ones.