Cyprinidaefreshwater fishBeginner

Higoi Red Carp Medium

Cyprinus rubrofuscus (domesticated koi)

Origin: Japan (captive bred)

H

Water Parameters

Temperature425 °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
2000 L
Lifespan
20-30
Swimming Level
All
Schooling
Yes (3–20+)
Diet
Omnivore
Temperament
Peaceful; thrives with all koi varieties and large pond fish

About

Medium-grade Higoi display their full deep red-orange colouration with a healthy metallic sheen and well-proportioned body typical of quality Japanese-bred single-colour koi. Higoi, meaning 'scarlet koi', are prized in Japan and increasingly in Belgium and the Netherlands for the meditative simplicity and bold visual presence that a single, deep colour brings to a garden pond. These fish are centrepiece-quality additions offering bold colour without the complexity of a patterned variety.

Care Guide

House in a well-filtered pond of at least 2,000 L with good water quality. Maintain pH 7.0–8.5, temperature 4–25°C; fully cold-hardy through Northern European winters. Feed quality koi pellets or sticks with colour-enhancing ingredients to maintain and deepen the red colouration. UV sterilization and regular water changes maintain the water clarity needed to fully appreciate the red body colour. Compatible with all koi varieties.

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