royal panaque

This is my 125 gallon mostly South American cichlid tank. The aquarium is filtered with a 48 gallon custom sump that turns over about 2000 gph. I'll add my stock list below. I was thinking of adding an Oscar or two. Thoughts? 1 Festuvum 1 Geophagus Winemilleri 5 Uaru 2 Blue Acara 1 Royal...