I have a number of tank mates; Frontosa, Flameback, Fosco, Dimodochromis strigatus, and so on i have had my tank drilled and constructed a trickle bed filtter that is very efficient.
Get your tank drilled by a proffesional and make your own sump trickle filter.
The rift lake tank contains a Zebra, Fosco, Frontosa, Dimodochromos strigatus, gold sucker, Loaches, Flame backs and Electric Blues
throw a shrimp on the barbie
I live in northern nsw
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.