Pearlscale - The Pearlscale goldfish, known being one of the most “well-rounded” types of goldfish, lends a personality to any tank.
They have a straight back with a swollen belly, resembling a ball. The Pearlscale Goldfish is usually twin-tailed with a very compact body. Other characteristics include a rather dainty head and small mouth. Also known as Chinshurin in Japanese.
In the pearlscale each scale is thicken in the center with a deposit of calcium carbonate (chalk) that makes it stand proud. The raised scales look like dimples on a almost spherical body.
In a large area such as a pond or large fish tank they will grow as large as 15cm.
The characteristic feature of the Pearlscale is its thick, domed scales with pearl-like appearance. Its body is round and similar to a golf ball. The finnage may be long or short. ... The Pearlscale can also known as the Ping Pong Pearlscale and Golfball Pearlscale.
Bred in Calico, Red, Red & White, Golfball, Long fin, Broad fin, Ping Pong, Panda, Blue, Black, Chocolate, White.
Hama Nishiki - is a cross between the pearlscale and the oranda. The body shape and scales of the Hama Nishiki are essentially like those of the pearlscale. The dorsal fin is single and all the others are paired, but slightly longer on the Hama Nishiki than the pearlscale.
The main characteristic that distinguishes the Hama Nishiki from a pearlscale is the presence of a hood covering the top of the head. Overall the fish will be larger than the pearlscale, growing to up to 15cm depending on the size of the tank or pond.
The dome shaped scales are easy to see as it the hood which develops as the fish matures.
In the Hama Nishiki, the fins are longer than those of the pearlscale, but this is not always the case.