Another very popular discus, the Blue Cobalt. The pattern on the Blue Cobalt can just a solid blue body or a striated blue body. These are all fry from the Tony Tan line. We've had some over 8" in size. The size of these will be approx 4 - 5". We feed all of our discus Grand Champion Discus Granules which is available in our online store. You can order by here: click here. We can always include a pack or 2 with a ship ment to save on shipping.