Cyprinidaefreshwater fishBeginner

Kohaku Koi Jumbo

Cyprinus rubrofuscus (domesticated koi)

Origin: Captive bred

K

Water Parameters

Temperature525 °C
15 °C35 °C
pH78.5
49
GH (Hardness)520 °dGH
0 °dGH30 °dGH
KH (Alkalinity)315 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
70 cm
Min Tank
5000 L
Lifespan
20-30
Swimming Level
All
Schooling
Yes (3–20+)
Diet
Omnivore
Temperament
Peaceful; thrives with all other koi and large pond fish

About

A large, jumbo show-quality Kohaku koi with well-developed, bold hi markings over a crisp, unblemished white base. Kohaku is the most iconic koi variety and the cornerstone of the Gosanke trio (Kohaku, Sanke, Showa). Jumbo specimens at this size make an immediate and lasting visual impression in any garden pond and represent the accumulated quality of multiple seasons of growth and careful care. These fish are a centrepiece addition to any established koi pond.

Care Guide

House in a well-filtered pond of at least 5,000 L. Maintain pH 7.0–8.5, temperature 5–25°C; fully cold-hardy through Northern European winters. Feed quality koi pellets with colour-enhancing ingredients; the hi colouration develops more richly with quality carotenoid-rich diet. UV sterilization and regular water changes maintain the white base unblemished. Compatible with all other koi varieties.

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