Doitsu Showa Japanese Koi Carp Cyprinus Carpio

Cyprinus carpio

The Doitsu Showa Koi is a striking scaleless koi variety prized for its bold black (sumi), red (hi), and white (shiroji) patterning combined with the sleek, leather-like appearance of Doitsu koi. Its dramatic contrast and clean body lines make it a standout feature fish in any pond.

Japan (selectively bred ornamental koi)

• 
  Omnivorous: high-quality koi pellets, wheatgerm food
  
• 
  Supplement with vegetables, shrimp, and occasional fruit treats
  
• 
  Feed 1–2 times daily depending on water temperature
  

• 
  Peaceful and compatible with other koi and goldfish
  
• 
  Avoid housing with aggressive or fin-nipping species
  

Peaceful

Beginner to advanced – suitable for all pond keepers with adequate space

• 
  Temperature: 15–25°C (59–77°F)
  
• 
  pH: 6.8–8.2
  
• 
  Hardness: Moderate
  
• 
  Requires excellent filtration and oxygenation
  

• 
  Best kept in outdoor ponds due to adult size and activity
  
• 
  Color and pattern intensify with proper diet and water quality
  
• 
  A long-lived, intelligent fish that can recognize its keeper
  

An elegant and highly sought-after koi variety, the Doitsu Showa is perfect for pond enthusiasts seeking bold contrast, refined beauty, and classic Japanese koi appeal.