The titled fish are in a 40g breeder QT. Had to move the harlequin from 55g Qt as Achilles tang was harassing him and he stopped eating. I have a divider in 40g and treating with Hyposalinity at 1.008 at this time. Got Tusk to eat some raw shrimp and fresh clam yesterday. Woke up this morning to an ammonia spike at 1.5ppm. The Personifier angel and pinkface wrasse didn’t stressed but the tusk looked like he was on his last breath. Quickly did an 80% water change and added prime as well as bacteria. Tusk still having a tough time while others are fine and waiting to eat. I have a divider in the tank to give tusk a nice peaceful environment. I’ve had the tusk for 1 week. So far, I have found the tusk to be much more timid and sensitive then what I had read. Seems to be over sensitive to any signs of aggression from tank mates. I had read that he would be a bit timid at first but this timid is much more than I ever experienced with any angel, tang, or any other fish. Anyone have any experience trying to get a tusk thru QT? How is he likely to adjust After QT when introduced to my large (625g) FOWLR with tangs and angels? ( I will use a large acclimation container for as long as needed).thx!