55gal; 10gal refug/sump, 390watts of PC lighting(coralife), 65gal Coralife SS.
Read as much as you can.
Blue Hippo Tang, 2 True Percs(mated), 1 green chromis, 1 yellow watchmen goby, 1 pygmy angel
RBTA, sebae anemone, 2 serpant banded stars, caribian pistol shrimp, cleaner shrimp, 3 mexican turbo's, 10 to 15 astrea snails, and 15 nassarius nails
Couple different kinds of frogspawn, leather coral, red open brain coral, wellsophyllia, pearl bubble, GSP, Acan lords, Acan Echinta, misc zoa's, hairy mushrooms, metalic blue mushrooms, candycane coral, and green ricordea
When you see signs of stress in your fish, you can then take steps to identify the source of that stress and then to resolve it before it becomes a major issue.
If you're looking for a unique way to stock your new tank, give freshwater shrimp a try.
If your fish is suffering, you may want to consider euthanasia as an option to humanely end his pain.