lavender tang

Good evening, I’m planning a reef build and I’m not getting anywhere since I can’t get my fish stocking list right. I’m carefully picking the fish but then when I think I’ve got a list, I read the forums or do more in depth research and nothing adds up. Problem: “Minimum tank size” on one...

My lavender tang was doing fine, then all of the sudden I found it swimming strangely and was very lethargic. He didn't eat, was upside down and hyperventilating. He was then placed in an isolation container in the same system for observation and feeding. He didn't respond to any type of food...