Thanks for the reply. I probably should have been more specific but i was wondering which ones would be able to hold their own with the aggression in a cichlid community.
Four-lined cat (P.Blochi) http://www.planetcatfish.com/catelog/species.php?species_id=653
I have 3 and they do very well with my Oscar and Jag. Pretty active too. Can be skittish but have had them eat from my hand and when I do water changes they swim up to my hands and allow me to pet them.