I think you and I have different perception. There's a difference between candoia carinata-carinata from ambon island with candoia paulsoni tasmai. Yes some of carinata2 ambon island have the same pattern with paulsoni tasmai, a zig-zag pattern, but they're different. Paulsoni tasmai is larger than carinata-carinata.

Carinata2 ambon island usually has a cream color. And what I posted in here, they're all carinata2, not paulsoni tasmai.

Carinata2 alone has lots of localities. Here some localities that I've known and have seen: Jayapura, Waigeo, Kofiau, Ambon. So far those are the localities that I've seen with my own eyes in here. I'm sure there are lots of carinata2 from different localites that I didnt mention above, but those are the ones that I've never seen it.

About your isabella never changed color, I never have a chance to know about Isabella. So I dont have a clue But My carinata2 from Ambon island, surely changed color into darker. But rite now she's getting brighter than before because I change the environment

Usually Paulsoni Tasmai can have an extreme color changing after shedding. it's because their scales are thick so they keep lots of mud from the nature. So when u have one then it sheds at ur place, there's a possibility that it's gonna have a brighter color.

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