
P E A R L E S C A L E
Origin - China
Difficulty - Intermediate
Availability - Common (Crowned variant Uncommon)
Price - Cheap to Moderate
Adult Size - 5 to 7 inches
Scales - Nacreous
History & Background
Pearscales look similar to Fantails at first
glance, but their body shape is actually a bit different. Pearlscales are
the only goldfish breed to have scales with a different shape than the common
goldfish. Because the scales are thicker at the top (caused by deposits of
calcium carbonate), they appear transluscent, and so all Pearlscales have
Nacreous scales (though they appear matte in younger fish).
They are a relatively recent breed, and have only been around since about the late 1800s or early 1900s. Back to Top
Special Care
So-called "blue" Pearscales
Their
scales are somewhat delecate, and can get scraped off. If they are, the scale
that replaces it will be a normal scale, not a bead-shaped one. So it is best
to keep them in a tank without any rough surfaces. Other than that, they are
reasonably hardy and are often kept in ponds due to their pleasing top profile.
Unlike other pond fish however, they are tolerant of cold, and should be kept
in temperatures of no less than 55 degrees fahrenheit.
Because of their round bodies, they are not fast swimmers. Keep them only with similar goldfish (lionheads, bubble-eyes, ect..), so they can get their share of food. Anecdotal evidence suggests additional calcium may be needed in their diet due to the extra requirements for growing their scales. Back to Top
Ideal Characteristics
Pearlscales have the most spherical body
of any breed. Depth of the body should be 2/3 the body length or more. Many
modern Pearscales are so round as to look like golfballs, and rounder seems
to be preferred. They resemble freshwater puffer-fish.
They have very small narrow heads (relative to their fat bodies anyway), and no wen. Scales should be domed and have a bead-like appearance (the more prominent the beads are, the better). Pearscales can get fairly large, about the size of a big orange.
Fins should be short and erect with a rounded
appearance. All fins are paired except the dorsal. Finnage is similar to a
standard Fantail with a divided Caudal fin. Transparent fins are tolerated
in Pearlscapes to a much larger degree than in other breeds, though color
saturation of the fins is always desired.
Red, orange and white (or mottled orange/white/red combinations) are the most common colors. But there are calico and black (sometimes called "blue") versions, as well as Tancho (aka "redcap") versions also available.
Recently "Chocolate" varieties have been developed.
The "beads" should have a lighter color than the base skin, and the more striking the color difference the better. All Pearscales have nacreous scales. Back to Top
Known Variants
A juvenile Calico Ranchu
Crowned
Pearlscales (also called "High-head" or "Hamanishiki")
look identical to normal Pearscales except that they have a half hood.
Because of the appearance of their scales, their wen looks more like two giant bubbles than the normal cauliflower-like bumps seen on other goldfish wen. Ideally, the wen should be a single big bubble with no imperfections and a uniform color. Those are the ideal standard and carry a comperable price tag.
But most crowned Pearscales have the split down the middle. The wen should be a single mass (either a single bubble or a split bubble), with no additional bubbles behind or under it. Except for their wen, they look identical to standard Pearlscales.
There is a longtailed version of the standard Pearsclae sometimes referred to as the "Phoenix Pearscale", but they are uncommon. They have fringetail type finnage. Back to Top
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