I am getting ready to put together a 55g discus tank . . .was going to start with 5 juvenile discus, a small school of cardinal tetras and some corys . . .big question was this . . .I was wanting to know about the practicality of putting an eel in, a fire eel specifically. Have been doing some research and found few instances of this being tried, but in the few I did find there were no problems reported. Any thoughts on this or other related advice? Thanks!