Goldfish & Coldwater
Ryukin Goldfish
Carassius auratus
A deep-bodied fancy goldfish with a pronounced shoulder hump and flowing fins.
- Water
- Freshwater
- Temperature
- 65–75°F
- pH
- 6.5–8
- Hardness
- 5–20 dGH
- Max size
- 8 in
- Min tank
- 30 gal
- Temperament
- Peaceful
- Social
- Social (2+)
- Swim level
- All
- Diet
- Omnivore
- Care level
- Beginner
- Lifespan
- 10-15 years
- Breeding
- Egg-scatterer
- Suitability
- Common
- Origin
- Cultivated (East Asia origin)
A hardy, rounded fancy goldfish recognizable by its high back and graceful tail. Produces a lot of waste, so it needs robust filtration and roomy quarters. Mixes best with other slow fancy goldfish.