Yamabuki Ogon Koi Fish

A Color Pattern Doesn't Need Variety to be Beautiful

It’s not hard to see why people love Koi ponds. These peaceful artificial bodies of water filled with gorgeous Japanese fish are charming to look at and contemplate. The dazzling colors and intricate patterns on Koi fish are highly pleasing to the eye as is that of a cherry blossom in the spring or a beautiful work of art.

A single Yamabuki Ogon Koi with other Ornamental Koi
A Yamabuki Ogon Koi is a Single Colored Mettalic Koi Fish

These high quality Koi fish come in over 20 varieties. Many sport a combination of eye-catching hues that grace their bodies in unusual patterns.

However, not every kind of Koi fish variety is multicolored. Some Koi species are adorned with a single color from head to tail. This simplicity of appearance doesn’t make them any less beautiful than their colorful cousins. A solid-colored Koi fish can stand out in a pond full of patterned Koi, especially if the color is bright and attention-grabbing.

Yamabuki Ogon Koi fish serve as an example of the beauty to be found in a single-colored Koi fish. This type of Koi originating from Japan is a solid golden color with an alluring metallic sheen. Their bright yellow shade stands out, especially in the green-tinted water of low-filtered Koi ponds, and their metallic finish makes them eye-catching in the best way.

Two Types of a Yamabuki Ogon Koi
The Hues of a Yamabuki Ogon Koi Range From a Dark Gold to a Brighter Yellow


Yamabuki Ogon Koi fish, or gold ogon Koi, is a single golden color. They come in various shades of yellow, from a dazzling, light eggshell shade to a brilliant daffodil hue to a darker mustard tint.

Young Yamabuki Ogon Koi usually start with a lighter shade of yellow and darken as they mature. 

According to uniform standards, a Yamabuki Ogon Koi should have no orange spots. These spots sometimes develop on the head and body of a Yamabuki Ogon, especially on ones that are a dark, deep yellow at a young age.

A Photo of a Brightly Colored Yamabuki Ogon Koi
A Single Yamabuki Ogon Koi with Scales Spread Evenly and Uniformly


The Yamabuki Ogon Koi’s scales provide its metallic sheen. This effect is dazzling and delightful, making this Koi fish as eye-catching as its multi-colored relatives.

The scales on a Yamabuki Ogon should be even and symmetrically spaced. There should be no gaps or missing scales and no breaks in the scale pattern. Because this species of Koi consists of one solid color, any scars, blemishes, or gaps will stand out.

The head of the Yamabuki Ogon should be a solid yellow shade. There should be no blemishes or discoloration, as this is seen as a flaw in these fish. The most common fault on the head is orange spots that can develop as the fish matures.

A photo of two Yamabuki Ogon Koi Swimming in a Pond
The Mettalic Shine of a Yamabuki Ogon Koi Makes it Easily Identifiable, Even in Murkier Waters


The body of the Yamabuki Ogon should consist of a single, even yellow shade and regularly spaced scales. Yamabuki Ogon usually has solid white fins, although yellow may radiate out from the body on the pectoral fins and dorsal fins, fading into white at the tips.


There are two variations of the Yamabuki Ogon Koi fish: Gin Rin Yamabuki Koi and Doitsu Yamabuki Koi.

Gin Rin Yamabuki Ogon Koi are the traditional variation, replete with a complete set of shimmering metallic scales from head to tail.

A Photo of Two Yamabuki Ogon Koi Fish Swimming alongside other Koi with Different Colors and Patterns
A Photo of Two Yamabuki Ogon Koi with Other Different Varieties of Koi Fish

Doitsu Yamabuki Ogon are a rarer variant. These Koi sport the same beautiful yellow coloring as the Gin Rin, but they do not have the same metallic scales covering their bodies.

View our koi providers directory to find Yamabuki Ogon Koi for Sale. Here you'll find both local and online options for obtaining this stunningly beautiful koi.

Frank Salvatore

In 2015 our family moved into a house south of Denver, Colorado with a  koi pond.  Since that time I've learned to really enjoy the koi fish and the pond. This blog is dedicated to providing helpful hints and information for koi pond hobbyists - as well as those of you who just inherited a koi pond and are thinking NOW WHAT?

About Me

Hey there - I'm Frank Salvatore. In 2015 our family moved into a house south of Denver, Colorado that had a Koi pond. The problem was I knew absolutely NOTHING about koi ponds.

This blog is dedicated to providing helpful hints and information for koi pond hobbyists - as well as those of you who just inherited a koi pond and are thinking NOW WHAT?
Learn More About Me

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