Species profile
Comet Goldfish
Carassius auratusComet Goldfish (Carassius auratus) is a social community species for a cycled 75+ gallon freshwater aquarium. Plan for about 14 inches as an adult, 60-72°F water, pH 7-8.4, and advanced care. Keep a group of at least 2; larger groups often behave more naturally when the tank has room.
FlashyAdvanced care
75 galMinimum tank
14 inAdult size
2Schooling minimum
60-72°FTemperature
Water Range
- pH
- 7-8.4
- GH
- 8-20 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
- 4/5
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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