Here's even more images from like 5 minutes ago, the white is advancing ever quicker, still not seeking to impact anything other than color that I can identify
Here are the best pictures I have gotten so far, it really shows the expansion of the white areas. They just appeared within the past week and there was no prior indication of anything being wrong. Behavior is still normal and eating habits unchanged.
Nothing's paricucally sharp far as I know. All his plants are silk and I checked his barrel for anything particularly sharp. It still has like, edges though. He also has a feeding ring that he's up against a lot to eat, the base of his long flowy fins are also turning white, I don't know what'd...
The curve of the tank front makes clear pictures hard but here you can see that it's actually his scales turning white on his back. They don't appear to be abbraisions or wounds far as I can tell