Butterfly Koi (Cyprinus rubrofuscus)
Fish in the family Cyprinidae. Moderate care. Freshwater.
Quick facts
Scientific nameCyprinus rubrofuscus
FamilyCyprinidae
Also known asLongfin Koi, Dragon Koi, Hirenaga Koi
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
DietOmnivore
Adult size36 in
Minimum tank size1000 gallons
Water parametersTemp 59-77°F, pH 7-8.5, GH 6-22 dGH
Appearance
Koi with greatly elongated, flowing fins (especially the pectorals and tail) created by crossing with long-finned Indonesian carp. Comes in all the standard koi color patterns.
Difficulty and care for the Butterfly Koi
Moderate
Origin and habitat
Domesticated (Japan/United States)
Keeper notes
Peaceful pond fish; group in a large pond. Long fins are not typically nipped by other koi.
Log Butterfly Koi in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Butterfly Koi alongside everything else in your reef.