Hi you are looking at very high protein 48% baby fingerling Koi/goldfish fry food,It is made up of high protein sinking micro pellet 0.5mm to 2mm.We have used this for many years and have found no better product to give your new born fish a great start in life.Comes complete with all added vitamins and minerals  for a very fast growth rate.Thanks for looking please take a look at our other fishy items. Suitable for fish from around 1.5".