The Cobalt or Kobalt Discus Fish is one of the original Blue Discus Fish. These were bred for there Solid Blue color however they do show vertical through adolescence of the Fishes life cycle. They are different from a Blue Diamond Discus because the BD is bred to show no vertical bands at all. Our Cobalt Discus Fish are imported directly from Stendker Discus Hatchery in Germany. We only provide the highest quality Discus Fish for Sale.