Pygmy yellowtail angelfish question here

[Dawneme]

Hi hi i wanted to keep a pygmy yellowtail(wildcaught) , im not quite sure how to teach it to eat served food, is there any food reccomendation for it like sponge based pellet or something, my tank have alot of sponges in it, thought might be enough for it to graze on for a while

Lmk your experience on keeping this angelfish and tips on how to make em eat served food