I like Bala Sharks,but they they become large honestly.My brother had one that was 9 inches,which it died due to a outage at his apartment.
you could =p i keep my ebjd with tetras as im affraid he'll get hurt by anything else =pI currently have a Firemouth in my 125 gallon,that is probable the same size of my EBJD,but fatter.I could possible try putting the the Firemouth with the EBJD to see how it works out.