I have currently, 2 tiger Oscars, 1jack Dempsey, 1 green terror, 1 red finned groumi, 1 spotted gar, 1 umbee, 2 plumb headed cichlids, 1 fire mouth cichlid, 1 red devil and a red tailed catfish ( small about 5-6") in a 200 gallon aquarium, there isn't any aggression going on that ive noticed and...