I honestly have no idea what happened. There was no ich when I last saw it alive, however what remained of the corpse had little white bumps, similar to ich, but I can't confirm it was actually ich.
The bad behavior from my other tangs stopped immediately after I put the mirror up to the glass. I think I once saw my bristletooth dart after the same piece of food as the new tang, and the new tang did shy away. However that in and of itself isn't conclusive either. In the end it just flat out sucks that it died, and I feel responsible.
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