Fancy Goldfish
Carassius auratus (fancy varieties)
Also known as: Oranda, Ryukin, Ranchu, Black Moor
Egg-shaped body with flowing fins. Includes Oranda, Ryukin, Ranchu, Black Moor, and many other varieties.
Tank Size
20 gal
minimum (40+ preferred)
Temperature
60–74°F
16–23°C
pH Range
6.5–8
water acidity
Max Size
8"
20.3 cm
Lifespan
10–15 years
typical in captivity
Swim Level
All
preferred zone
Care Notes
Slower swimmers than common goldfish. Don't mix with single-tail goldfish. Prone to swim bladder issues.
Feeding
Sinking goldfish pellets, gel food, and blanched vegetables. Soaking food prevents buoyancy issues.
Compatible Tank Mates
Use Caution With
Incompatible With
Check Compatibility
Want to check if Fancy Goldfish is compatible with a specific fish? Use our compatibility checker to build your complete tank.