Selective breeding over centuries has produced a variety of colors from some of the "golden fish in the hometown of the other fin shapes and configurations eye of some large goldfish alone. The cabinet is less resistant strains near the "forest" in the original format, but some, such as hardier Shubunkin. Variety is the key.
Common goldfish
Common goldfish differ only in color from their ancestor, the Prussian carp. Common goldfish come in a variety of colors including red, orange/gold, white, black and yellow or 'lemon' goldfish.
Black Moor goldfish
The Black moor is a telescope-eyed variety of fancy goldfish that has a characteristic pair of protruding eyes. It is also referred to as popeye, telescope, kuro demekin in Japan and dragon-eye in China.
Bubble Eye goldfish
Bubble Eye goldfish
Small eyes, fantasy Bubble Eye has turned up, accompanied by two large bags filled with liquid.