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Peach-Colored:
This refers to a soft, pastel-like orange or light pinkish-orange tone, which gives the koi a warm, gentle appearance. It’s rare and highly attractive, often seen as a variation of the classic orange/yamabuki color.
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Doitsu:
"Doitsu" koi are German-scaled koi, either completely scaleless or with a single row of large mirror-like scales along the dorsal line (back). The absence of full scales enhances the koi’s skin luster and color clarity.
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Leather Skin:
This is koi jargon for fully scaleless Doitsu koi, where the skin is smooth and shiny — similar in appearance to leather. It brings out the koi's base color more vividly.
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Ogon:
An Ogon is a metallic, single-colored koi, often gold, platinum, or orange. When Doitsu and Ogon are combined, you get a koi with solid, reflective metallic skin — very striking in sunlight.
