Doitsu Showa Grade A Koi Carp Cyprinus Carpio

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Doitsu Showa Grade A Koi Carp

Cyprinus carpio

Overview

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.

Origin

Japan (selectively bred ornamental koi)

Feeding

• Omnivorous: high-quality koi pellets, wheatgerm food

• Supplement with vegetables, shrimp, and occasional fruit treats

• Feed 1–2 times daily depending on water temperature

Tank / Pond Mates

• Peaceful and compatible with other koi and goldfish

• Avoid housing with aggressive or fin-nipping species

Aggression

Peaceful

Experience Level

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

Water Parameters

• Temperature: 15–25°C (59–77°F)

• pH: 6.8–8.2

• Hardness: Moderate

• Requires excellent filtration and oxygenation

Notes

• 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.

Above images for illustration purposes only. Exact colours, patterns, and size may vary between individuals.

Please Note: The livestock that is sold on our online site is not held in store at our Swell shop, or available for collection from the shop. Species sold at our Swell store will differ from ones available to order to your door.

All livestock deliveries are subject to our full Delivery Terms & Conditions, please read before ordering.