this was the first time I used the food processor because before this i would freeze the food and use a cheese grater to make it into small pieces but that takes super long and my fingers would burn from the cold. Yes they are perfect size for the fish i have naso tang, clownfish, little damsels, wrasses they love that food over flakes or pellets.Have you used it or another one? Do they shred it small enough for smaller fish?