The Pearlscale Goldfish Standard is as follows:
Depth of body to be approximately 75% of body length.
Scales to be domed.
Caudal fin to be divided and forked with slightly rounded well spread lobes held above the horizontal.
Dorsal fin to be single, all other fins to be paired and their extremities slightly rounded.
Minimum length of body to be 5.5 cm (2¼ inches).
The fish should be bright and alert. The body should be short and rounded displaying well developed domed scales all over. The caudal fin should be well divided, forked and held high without drooping.
Metallic fish may be self-coloured (red, orange, yellow, blue, brown or black) or variegated (any combination of red, orange, yellow, blue, brown, black and white) in a pleasing pattern similar on each side. Quality fish will have high colour intensity and metallic shine extending into the fins.
Calico fish should have a blue background with patches of violet, red, orange, yellow, brown and white, spotted with black. Quality fish should have a high intensity of colour evenly distributed over the body, with colour, especially black, extending into the fins.