The Jikin Goldfish Standard is as follows:
Depth of body to be approximately 40% of body length.
Caudal fin to be divided and forked with rounded, well-spread lobes held above the horizontal.
Dorsal fin to be single, all other fins to be paired and their extremities to be slightly rounded.
At least 50% of the body to be white.
Minimum body length to be 7.5 cm (3 inches).
The fish should be bright and alert. The body should be strong and sturdy with a smooth outline.
The caudal fin should be held vertically, fully divided and well spread, opening to near 90 degrees to the body when the fish is at rest; it should appear as an ‘X shape’ when viewed from the rear with all four lobes evenly matched. The caudal peduncle should be short, not elongated.
The colour should be metallic variegated red and white only. The snout, dorsal, pectoral, ventral, anal and caudal fins should be solid red. The body should be white. Red elsewhere on the body is to be discouraged and will be down-pointed.