Got a Discus today........its a red dragon.........have never had one before but couldn't resist since i've been wanting one for quite a while............its about 4inches got him for $17............was wonderin what is the best thing to feed him.........hes in my tank with an angel and a couple clown loaches...........he was eatin bloodworms out of the bag.......what else is good for it? any feedback would be great.................