I have a few different tanks. What can I say, I am addicted.
Research! Learn! Research! Learn! You can never know too much, and you never will.
Bichirs, Cichlids, African Knives, Fire Tailed Tetras, Puffers, Sculpins, Oscars, and these are just the beginning.
Moneywort, Swords (various types), Wisteria, Carolina Fanwort, and algae!
“The difference between a man and a boy is, a boy wants to grow up to be a fireman, but a man wants to grow up to be a giant monster fireman.” --Jack Handy
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.