Fancy goldfish
Carassius auratus
Photo: Kateryna Martyniuk · CC BY 4.0
- Adult size
- 18 cm7 in
- Start with
- 1
- Tank length
- 90 cm35 in
- Lifespan
- 10–20 yrs
- Temperature
- 18–23 °C64–73 °F
- pH
- 7–8
- Hardness
- 6–25 dGH
- Diet
- herbivore
Rounded varieties need open turning space and careful feeding.Rounded varieties need open turning space and careful feeding.
Tank sizes
Good tankmates
Avoid with
Convict cichlidNarrow shared temperature rangeNarrow shared temperature range
Bristlenose plecoNarrow shared temperature rangeNarrow shared temperature range
Cockatoo dwarf cichlidNo shared temperature rangeNo shared temperature range
OscarNo shared temperature rangeNo shared temperature range
Bala sharkNarrow shared temperature rangeNarrow shared temperature range
BettaCheck Betta with Fancy goldfishCheck Betta with Fancy goldfish
Chili rasboraNarrow shared water hardness rangeNarrow shared water hardness range
Dwarf rasboraNarrow shared water hardness rangeNarrow shared water hardness range
Yoyo loachNo shared temperature rangeNo shared temperature range
Pea pufferNo shared temperature rangeNo shared temperature range
Marbled hatchetfishNo shared temperature rangeNo shared temperature range
Clown loachNo shared temperature rangeNo shared temperature range
Sources
| temperature | 18–23 | curated-v0 (needs expert review) · medium |
|---|---|---|
| ph | 7–8 | curated-v0 (needs expert review) · medium |
| gh | 6–25 | curated-v0 (needs expert review) · medium |
| origin | East Asia; captive varieties | curated-v0 (needs expert review) · medium |
| notes | Rounded varieties need open turning space and careful feeding. | curated-v0 (needs expert review) · medium |
| beginner friendly | false | curated-v0 (needs expert review) · medium |
| care level | advanced | curated-v0 (needs expert review) · medium |
| color palette | #ED8C30 | curated-v0 (needs expert review) · low |
| activity | moderate | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | peaceful | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | true | curated-v0 (needs expert review) · medium |
| territorial | false | curated-v0 (needs expert review) · medium |
| schooling | false | curated-v0 (needs expert review) · medium |
| schooling min | 1 | curated-v0 (needs expert review) · medium |
| diet | herbivore | curated-v0 (needs expert review) · medium |
| lifespan years | 10–20 | curated-v0 (needs expert review) · low |
| growth to adult months | 24 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | false | curated-v0 (needs expert review) · medium |
| min tank length | 90 | curated-v0 (needs expert review) · medium |
| body shape | goldfish | curated-v0 (needs expert review) · medium |
| variety | fancy | curated-v0 (needs expert review) · medium |