Species profile
Calico Fantail Goldfish
Carassius auratusCalico Fantail Goldfish (Carassius auratus) is a social community species for a cycled 30+ gallon freshwater aquarium. Plan for about 8 inches as an adult, 68-74°F water, pH 7-8.4, and moderate care. Keep a group of at least 2; larger groups often behave more naturally when the tank has room.
FlashyModerate care
30 galMinimum tank
8 inAdult size
2Schooling minimum
68-74°FTemperature
Water Range
- pH
- 7-8.4
- GH
- 6-18 dGH
- KH
- 4-12 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- omnivore
- Diet difficulty
- 1/5
- Care difficulty
- 3/5
Planning Notes
Goldfish are high-waste cooler-water fish; they need strong filtration and should not be mixed into tropical community plans.
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