well ive had one for a good 2 weeks now, and well he lets the shrimp clea him, hes staked out his territory for now, and im just not sure how to tell if hes eating hes wont eat the flake food cuz i just found out there herbivore, most websites i looked at beforehand never mentioned it wasnt omnivore, well hmm so now that im not sure if it will be eating too soon since i rarely see him go to the glass, what should i get for him to eat, and uuuuuuuum im pretty sure they eat off live rock too right?