yeahp. i have mine with an ornate right now. but you could add some clown loaches, bichirs, silver arowanas, anything thats a nice fish basically. no cichlids, they pick on the rays in my experience.
black aro dats strigatta pike endlicheri i got some silver dollars in there might be others too but all this with 2 motoros and a shroteri flower and 2 more rays coming in a couple weeks