I just updated my aquarium information so that my stocking list is up to date. I'm in the process of phasing out the rainbow fish from my 75 gallon tank. My best friend's dad offered to buy them from me because they had gotten so much much prettier than what the look in the store, and since I'm a broke college kid I couldn't really tell him no, as he was offering to pay quite a bit for them. So, on to the point of the post... As I'm phasing out the rainbows I'm also trying to find fish to replace them so my tank doesn't look so empty. I'm encountering problems with my Leopard Ctenopoma. When I first stocked my tank she was much smaller and not anywhere near as aggressive as she is now, so she had been leaving everyone alone since she had "grown up" with them. I tried adding some rather large rosy barbs this past weekend, and after I watched her literally chase one down and eat it I removed the rest and put them in another one of my tanks. So, any stocking suggestions? I briefly considered silver dollars until I realized that they would completely destroy my plants. My main points are that they can't destroy my plants and they can't harass my black ghost knife (since my gourami died he's become my new favorite). Any ideas would be appreciated...I can't seem to think of anything.