Ryukin Goldfish Care Guide
Carassius auratus
Stocking Calculator
Bioload Score
9000
PeacefulModerate
- Max Size
- 20 cm / 7.9"
- Temperature
- 18–24°C (65–75°F)
- pH Range
- 6.5 – 8
- Min Tank Size
- 75L (20 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Mid-Top
- Origin
- Asia
- Temperament
- Peaceful
- Difficulty
- Moderate
- Breeding Difficulty
- Moderate
Diet
An omnivorous diet includes aquatic plants, algae, small invertebrates and prepared foods.
Community Compatibility
Suitable tankmates include other similarly sized fancy goldfish and peaceful, cool-water species such as dojo loaches.
Good to Know
The Ryukin Goldfish is named after the Ryukyu Islands, where this distinctive high-backed variety was historically associated with Japan.
Gender Differences
Males may develop breeding tubercles and a slimmer body, while females are generally rounder and fuller, especially when carrying eggs.
Stock Ryukin Goldfish in Your Tank
Use our free stocking calculator to see if Ryukin Goldfish fits your aquarium