Is a black and gold comet goldfish rare?

The black and gold comet goldfish is not considered a rare variety. Comet goldfish are a common type of goldfish that is known for its long, flowing tail fin. They come in a variety of colors, including red, orange, yellow, and white. The black and gold comet goldfish is a variation of the comet goldfish that has black and gold coloration. While it is not as common as some other color variations of comet goldfish, it is not considered to be rare.