Adult Cobalt Discus Fish

Cobalt discus fish are a colorful cobalt-blue discus strain. The cobalt discus have markings in the face and fins. Some cobalt discus have a solid colored body, but others will show their black stress bars. Cobalts were extremely popular in the 1990's. The creation of the blue diamond discus has made the cobalt less popular over the years. It's still a gorgeous blue discus fish.