Cyprinidaefreshwater fishintermediate

Benigoi

Cyprinus rubrofuscus

Origin: Captive bred (Japan/Netherlands)

B

Water Parameters

Temperature525 °C
15 °C35 °C
pH78.5
49
GH (Hardness)820 °dGH
0 °dGH30 °dGH
KH (Alkalinity)412 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
65 cm
Min Tank
1000 L
Lifespan
20-35
Swimming Level
middle
Schooling
Yes (3+)
Diet
omnivore
Temperament
Peaceful pond fish, social with other koi

About

Benigoi is a Gosanke-adjacent single-colour variety of nishikigoi displaying a pure, deep red to orange-red uniform body colouration. It is prized among Dutch and Belgian koi purists for the quality and depth of its hi (red) pigment rather than pattern complexity. Simple in pattern but demanding in terms of colour quality, Benigoi is a staple of serious Nishikigoi collections.

Care Guide

Requires a well-filtered pond of at least 1,000L. Maintain good water quality with regular filter maintenance. Feed quality koi pellets appropriate for season — reduce feeding as temperatures drop below 10°C and stop below 6°C. Provide shade areas and at least 1m depth for winter. Monitor for common koi diseases.

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