Description
Shiro Utsuri Japanese Koi Carp
Cyprinus carpio
Overview
The Shiro Utsuri Koi is a striking and highly sought-after variety, admired for its bold black (sumi) patterns set against a clean white (shiroji) base. Elegant and powerful in appearance, Shiro Utsuri are a classic choice for koi keepers seeking dramatic contrast and traditional Japanese beauty.
Origin
Japan
Feeding
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Omnivorous: high-quality koi pellets, supplemented with vegetables, fruits, and occasional treats such as shrimp or worms
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Feed once or twice daily, adjusting to water temperature and season
Tank / Pond Mates
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Other koi varieties
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Peaceful pond fish such as goldfish
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Avoid aggressive or fin-nipping species
Aggression
Peaceful
Experience Level
Beginner to advanced – hardy, but coloration quality improves with proper care and pond conditions
Water Parameters
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Temperature: 15–25°C (59–77°F)
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pH: 6.8–8.0
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Hardness: Moderate
Notes
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Best suited to ponds or very large systems due to adult size
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Requires excellent water quality to maintain sharp contrast and healthy skin
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Grows large and develops more defined coloration with age
A timeless and visually powerful koi, the Shiro Utsuri is perfect for pond keepers who appreciate classic contrast, graceful movement, and traditional Japanese koi aesthetics.
