Description

Doitsu Showa Classic Koi Carp (Cyprinus carpio)

Overview

The Doitsu Showa Classic Koi is a striking, scaleless variety of Showa Koi, prized for its bold contrast of deep black (sumi), vibrant red (beni), and crisp white (shiroji). With its smooth, mirror-like skin and dramatic color patterns, this variety is a standout centerpiece in any pond or large display system.

Origin

Japan

Feeding

  • Omnivorous: high-quality koi pellets, supplemented with vegetables and occasional protein 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 advanced

Water Parameters

  • Temperature: 15–26°C (59–79°F)

  • pH: 6.8–8.0

  • Hardness: Moderate

Notes

  • Requires excellent water quality and ample swimming space

  • Color intensity improves with proper nutrition and clean water

  • Ideal for outdoor ponds or very large indoor systems

A striking and elegant koi variety, the Doitsu Showa is perfect for collectors seeking dramatic contrast, strong pattern definition, and classic Japanese beauty in their pond.