he's got his with an arowan, a florida gar, a fire eel (or some other type of eel) and something else...
he also used to keep some nice-looking panda uarus (a rather placid type of cichlid) in there. i think other people have also tried some of the more peaceful geophagus with some success.From experience, angelfish sleep at the bottom of the tank, they will be 'ray rashed' and killedThey can be kept with most fish like silver sharks and Altum Angelfish. But don’t add anything to aggressive.