Doitsu Utsuri Japanese Koi Carp (Cyprinus carpio)
Overview
The Doitsu Utsuri Koi is a striking, scaleless (Doitsu) koi variety known for its bold contrast between deep black (sumi) and bright metallic or white coloration. With smooth skin and clean patterning, this koi offers a dramatic, high-impact appearance in ponds and large displays.
Origin
Japan (selectively bred ornamental koi)
Feeding
-
Omnivorous: high-quality koi pellets, wheatgerm foods
-
Supplement with vegetables, insects, and seasonal treats
-
Feed 1–2 times daily depending on water temperature
Tank / Pond Mates
-
Compatible with other koi and peaceful pond fish
-
Avoid aggressive or fin-nipping species
Aggression
Peaceful
Experience Level
Beginner to intermediate – hardy but benefits from good pond management
Water Parameters
-
Temperature: 15–25°C (59–77°F)
-
pH: 6.8–8.0
-
Hardness: Soft to moderately hard
Notes
-
Best suited to ponds or very large systems due to adult size
-
Smooth Doitsu skin highlights color clarity and pattern definition
-
Requires excellent water quality to maintain vibrant coloration
A bold and elegant koi variety, the Doitsu Utsuri is perfect for pond keepers seeking strong contrast, clean lines, and classic Japanese koi beauty.