I have a regal tang that I have had for about 4 months. He is eating well (brime,flakes and greens) and is the king of the tank. He is in a 90 gal with a royal gramma, cleaner shrimp and 1 percula. All water reading are good. I noticed about a month ago that the top of his tail looked like it was nipped off. The tang always tries to bully the gramma but he always stands his ground. So I thought that the gramma nipped the tang but now I noticed that there is a piece missing on both the top and the bottom of the Regal tang's tail and it seems that he is also missing his spurs.
Is this fin rot?
Is this fin rot?
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