Awww, good luck. I did the same thing, rescued one that size a few mos. ago. He did great then I suddenly lost him, but if you have full size pellets, break them small and pre soak in water for 5 mins so it's easy to get it down. I found the tinyiest pellets I've ever seen, like the size of about 3 poppy seeds. Same ingredients as regular Hikari Carnivore Floating Aro pellets. Look in the pet store the bag says "Hikari Cichlid, Cichlid Gold, floating type BABY PELLET", you can see them thru a clear spot in the front of the bag. I was struggling along with mine, he wanted to eat, it was just difficult, these pellets were perfect, he went crazy because he could eat them, he grew almost an inch before I lost him. Be careful with anything you feed him, I would worry about crickets, feeders or anything that could get stuck or cause an obstruction, look how incredibly tiny he is. Good Luck, if you can't find those pellets I can mail you some and you'd have them in a few days. Good luck. I loved my little dude so much, it really broke my heart but I know he had the best short life he could have!
The bag is Red and Gold