Good evening fellow reefers!!! This patch just erupted on my Semilavartus butterfly. It is now scraping and twitching trying to get the annoyance off. Appetite is decreased as well. Spent 38 days in QT with CP at 2.5. No issues. No spots anywhere. All other fish are completely healthy. There has been no fighting or picking by other fish, this guy was well received. Any help would be greatly appreciated and thank you in advance.