I think they will eat anything they can get in their mouth. (meaty foods and shrimp for snacks) I have read that they are pretty hardy. They don't move about a lot just sit there mostly. I have also though about one but changed my mind after seeing the prices on them at the LFS. ($200 for a red one)
Message to all aquariasts!!!!!
Anyone who lives within their means suffers from a lack of imagination.