i keep my BGK with 6 discus, a ropefish, 2 young fire eels, 2 red dwarf gouramis, a common pleco and 2 synodontis multipunctatus. also had a pair of bala sharks in there before. he gets along fine with evry fish thats in there or has been in there before. absolutely no problems! and he gets more than his fair share of foods, be it tetra colour granules the discus don't finish or tubifex or bloodworms or shrimp or beef heart or earthworms. as long as he has a place to hide and none of his tankmates are too small or too aggressive he should be fine. also kept a blue botia and clown loaches with him in the past. oh, i have a red tailed black shark in with him as well.