GU-4 Glow Up
白写り Shiro Utsuri · Tategoi
At Mystic Koi, ready to go
This koi is in our ponds in Upland, CA, has finished quarantine and is ready to ship or pick up.
- Live arrival guarantee
- Free overnight shipping on koi orders of $1,500+
- Hand-selected in Japan by the Mystic Koi team, buying from Japan since 1996
About this koi
Everything we know about this koi.
- Variety
- Shiro Utsuri · 白写り
- Breeder
- Omosako
- Size
- 49 cm · 19.3″
- Age
- Nisai · 2 years
- Sex
- Male
- Scales
- Wagoi (regular scales)
- Grade
- Tategoi · High growth potential
- Koi ID
- GU-4
- Location
- Mystic Koi, Upland CA
About Shiro Utsuri
Bold, wrapping sumi on clean white. On young fish, the sumi is still developing. You are buying the frame and the skin.
Tategoi means a koi kept for its future. It is still developing, and the best is ahead of it.
At the koi shows
Where this koi would be entered today, based on its variety and its current size.
Please verify with your local show. Classes, sizes and awards vary from show to show and year to year. This is a guide based on the ZNA SoCal and San Diego Koi Show rules. Check your show's entry rules before entering, and remember that size classes change as your koi grows.
Notes on this koi
GU-4 — Omosako male Shiro Utsuri, Nisai, 49 cm.
One of the Glow Ups from our 2026 Omosako grow-out selection — the sumi is still coming in. Colour and pattern will develop and deepen over the next season, for the grower who wants to watch a fish transform under their care. This listing is for this exact fish, photographed and filmed at our facility in Upland, California.
The fish
- Code: GU-4
- Breeder: Omosako Koi Farm — Kure, Hiroshima
- Variety: Shiro Utsuri
- Sex: Male
- Age: Nisai (2 years)
- Size: 49 cm (approx. 19.3 in)
Why Omosako
Omosako Koi Farm has been producing premium Shiro Utsuri since 1949 — three generations of breeders refining a single signature variety. Shawn selected these fish personally from Omosako's Kure ponds.
Shipping & arrival
- Free overnight Southwest Cargo shipping, continental US
- IATA-certified live animal packing
- Live arrival guarantee
Questions? Call the shop at (909) 920-3767.
Omosako · Kure, Hiroshima
Omosako Koi Farm has been producing Shiro Utsuri since 1949, three generations focused on one signature variety. Shawn selects from Omosako's ponds in person.
Ask about this koi
Want more video, a different angle, or advice on whether it suits your pond? Ask the people who picked it.
Open Tuesday to Saturday, 10am to 5pm Pacific.
Open Tuesday to Saturday, 10am to 5pm Pacific.
Questions buyers ask
How much is shipping, and how are koi shipped?
Koi ship UPS Next Day Air to the continental US, packed in oxygenated bags inside insulated boxes. Shipping is a flat $150 per order, no matter how many koi are in the box, and free when your koi total is $1,500 or more. We'll call you to set a day when someone is home. You're also welcome to pick up at the shop in Upland, CA.
Is the koi in the photo the one I get?
Yes. Unless the listing says it is a bowl or an omakase pick, this listing is for this exact koi, photographed and measured by us.
Can I see it in person?
Of course. Come see us in Upland, CA, or text the shop and we'll send more video.