Guppies and Fancy Goldfish, side by side
| Guppy | Fancy goldfish | |
|---|---|---|
| Adult size | 2 in5 cm | 5.9 in15 cm |
| Smallest tank | 10 gal38 L | 30 gal114 L |
| Keep | 3 or more | One or more |
| Temperature | 72–82 °F22–28 °C | 64–73 °F18–23 °C |
| pH | 7–8.2 | 7–8.4 |
| Temperament | Peaceful | Peaceful |
| Swims | Near the top | At every level |
Why it does not work
Goldfish do best with other fancy goldfish.
Better tank mates for guppies
Better tank mates for fancy goldfish
Goldfish do best with other fancy goldfish. They need cooler water than tropical fish, they eat anything that fits in their mouth, and slow fancies lose the race for food against faster fish.
Questions and answers
Can guppies and fancy goldfish live in the same tank?
No, not a good match. Goldfish do best with other fancy goldfish.
What temperature suits guppies and fancy goldfish?
72–73 °F (22–23 °C) suits both. That is a narrow range, so a reliable heater and thermometer matter.
More pairs
- Guppies and bettas
- Guppies and neon tetras
- Guppies and angelfish
- Guppies and bronze corydoras
- Guppies and mollies
- Fancy goldfish and platies
- Fancy goldfish and tiger barbs
- Fancy goldfish and dwarf gouramis
- Fancy goldfish and cherry shrimp
- All pairs
Based on each species' adult size, water range and temperament (Seriously Fish, FishBase) and the rules of our stocking calculator. Individual fish differ: this is a guide, not a guarantee.