He was picking a lot and they fed him live bbs (I have live bbs) and some frozen bbs. They said (and I observed) that he pretty much picks at algae and plankton at this little size.
Thanks. Amazingly he is already the boss of the tank. When I put him in the clowns and cardinals came zooming up to him to possibly eat him but he stood his ground and basically told them all to *** off.