Thanks much! Sounds like the Synodontis petricola would be the way to go.
Now I guess I have to decide if the Julies and Cyps breed, can I realistically raise the fry? Since my tank is fairly decorated with rocks and plants, which would probably keep me from catching the fry. Do folks who get them to breed have sparse tanks? Do they generally strip the Cyps' fry?
This is a pivotal decision, since I would like to raise the fry, but I'm probably dreaming if I think I can actually do it with my tank.
hmmm ...