Ryukin (Carassius auratus)
Fish in the family Cyprinidae. Moderate care. Freshwater.
Quick facts
Scientific nameCarassius auratus
FamilyCyprinidae
Also known asRyukin Goldfish, Japanese Ribbontail
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
DietOmnivore
Adult size8 in
Minimum tank size30 gallons
Water parametersTemp 65-72°F, pH 6.5-8, GH 5-19 dGH
Appearance
Deep, high-backed body with a pronounced shoulder hump behind the head and long flowing fins. Comes in red, red-and-white, calico, and chocolate.
Difficulty and care for the Ryukin
Moderate
Origin and habitat
Domesticated (Japan, via Ryukyu)
Keeper notes
Peaceful and reasonably competitive at feeding for a fancy; pairs with fantails and orandas.
Log Ryukin 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 Ryukin alongside everything else in your reef.
