First tank, 5 months old, reef/fish tank in the making.
Purple Tang, Blue Hippo, Clown Fish, Coral Beauty, Fire Fish, Jaw Fish, Lawnmower Blenny, Yellow Eyed Tang, Black Cap Baslet, Wrasse, Prawn Goby, Fire Shrimp, Cleaner Shrimp, Starki Damsel, Red Spiny Lobster, Hermit Crabs, Snails, Crabs, Clams......
will finish later
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.