Yep, my yellow watchman is white now too. He changed to white after a water change and his color never came back. This was months ago too and he's been fine and healthy otherwise.
I've inquired EVERYWHERE and the best answer i get is that it's a female, which I'm not sure I buy or not. LOL
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.