Types of koi fish Koi Variety Guide to identify your favorite varieties, or learn a little more about each variety.
Quick Answer Ogon (“golden”) koi are solid, single-colored metallic koi in the Hikarimuji class. The variety traces back to breeder Sawata Aoki, who spent roughly 25 years developing it — starting in 1921 and finally succeeding in 1946 with help from his daughter Kinuko, a nurse who contributed her savings to fund the breeding program.
Quick Answer Shusui is the scaleless (Doitsu) counterpart to Asagi — a blue-grey koi with a single row of large mirror scales along its back instead of full scaling, with red (hi) or yellow (ki) markings along its sides. It was the first Doitsu koi variety ever bred, created in the early 1900s by crossing
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Quick Answer Hi Utsuri is a Japanese koi variety with a jet-black (sumi) base overlaid with bold red (hi) markings. It’s part of the Utsurimono family alongside Shiro Utsuri (white) and Ki Utsuri (yellow), and is prized for sharp kiwa (the edge where red meets black) and clean, unbroken sumi that wraps the body rather
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Quick Answer Kohaku is a koi variety with a white body (Shiroji) and red markings (Hi), and it’s the founding member of the “Gosanke” — the three most prized koi varieties alongside Sanke and Showa. Quality is judged on the whiteness of the skin, the depth and evenness of the red, sharp clean edges between
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Quick Answer Sanke koi (also called Taisho Sanshoku) are a tri-colored koi variety with a white base overlaid by red (hi) and black (sumi) markings, developed in Japan’s Taisho era from selective breeding of Kohaku koi. Along with Kohaku and Showa, Sanke forms one of the three “Gosanke” varieties considered the foundation of koi keeping.
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Home › Koi Fish Varieties › Showa Koi By Giovanni Carlo Bagayas | Updated: June 2026 | 14 min read Showa koi — defined by a black (Sumi) base with red and white markings on top. The black on the head is the single most important identifying feature that separates Showa from Sanke. Quick Answer
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Home › Koi Fish Varieties › Butterfly Koi Butterfly Koi: Complete Guide to Care, Size, Lifespan, Varieties and Fin Care By Giovanni Carlo Bagayas | Updated: June 2026 | 15 min read Butterfly koi — also called dragon koi or longfin koi. Their fins continue growing throughout their lives, sometimes reaching three-quarters the length of
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Home › Koi Fish Varieties › Karashigoi Koi Karashigoi Koi: Complete Guide to the Yellow Jumbo Koi By Giovanni Carlo · Koi keeper & founder, Giobel Koi Center · Updated June 9, 2026 Quick Answer Karashigoi are pale yellow to mustard-yellow single-color koi from Japan’s Kawarimono group. The name means “mustard carp.” They are one
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Unveiling the Beauty of Ochiba Shigure Koi Fish: A Comprehensive Guide I. Introduction Welcome to the captivating world of Ochiba Shigure, a mesmerizing variety of koi fish renowned for its serene beauty and tranquil presence. In this extensive guide, we embark on a journey to explore every facet of Ochiba Shigure, from its historical origins
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Betta fish, also known as Siamese fighting fish, are popular aquarium pets due to their vibrant colors and beautiful fins. While these fish are generally hardy, they are not immune to diseases. In this article, we will discuss four common diseases in betta fish and how to prevent and treat them. Fin rot is a