this is my first post on here and im sure this has been covered but i was just wondering what you guys keep as tank mates with you black ghost knife? he is about 11in right now and is in a tank with african butterfly fish. and i have another tank with synodontis catfish. i just got a 125 gallon tank and im am getting rid of the butter fly fish and im going to be putting the knife fish and catfish in the 125g. and was wondering what other fish could be possible tankmates? i want to kind of do a community tank because ive always kept cichilds and want to try something new. maybe some rams or Brichardi? thanks