![Black Moor Telescope Goldfish](http://tankdreamsonline.com/cdn/shop/products/Tankdreams_FreshwaterFish_Goldfish_Black_Moor_Telescope_Goldfish_{width}x.jpg?v=1618446202)
Fancy goldfish can occasionally have digestive issues. I find this issue eludes this variety for the most part. They are a very hardy and long lived goldfish. They also do not grow as large as other goldfish varieties making them suitable for tanks more so then other goldfish.