A very simple setup for a 55 g, filtered with AC 300/70 and an auxiliary air driven corner filter and sand bottom.
Currently has 2 Heckel Discus and 50 Cardinals from Brazil, 4 Brown Discus and 5 Altum Angels from Colombia. All of these are wild caught. There's also three small Clown Loaches with them I'm not certain of their origin, most likely, Indonesia. Have had the Brown Discus in this tank for over three years, the others since July of this year. I've had other fish in this tank before.
Just took out a locally bred White Angel last night. It was there for a couple of weeks but noticed it going after the Cardinals constantly the last two days. So out she went to an isolation tank. I don't tolerate any agression in any of my tanks. Trying to decide what to do with it. Most likely it will go to LFS.