Even though it's not a recomended fish, I bought one about 2 1/2 months ago. (ignorance)
Mine has been doing great. I feed it a variety of foods. It loves it all. Heres the list.
My own brand of Mush! (garlic, suppliments,veggies, white fish, clams, shrimp, ect..)
What size tank do you have? How long have you had the idol? Do you have a pic?
Here is a pic of my little buddy in qt