Oddball fish for 60gal system

My gf and I are cycling a new freshwater system: 50gal rimless cube and 10gal sump. We wanted discus but that may not be realistic for the size of our tank. Anyone have recommendation for exotic/oddball fish that could work in this setup?

My gf and I are cycling a new freshwater system: 50gal rimless cube and 10gal sump. We wanted discus but that may not be realistic for the size of our tank. Anyone have recommendation for exotic/oddball fish that could work in this setup?