Bettas and Fancy Goldfish, side by side
| Betta | Fancy goldfish | |
|---|---|---|
| Adult size | 2.6 in6.5 cm | 5.9 in15 cm |
| Smallest tank | 5 gal19 L | 30 gal114 L |
| Keep | One | One or more |
| Temperature | 75–82 °F24–28 °C | 64–73 °F18–23 °C |
| pH | 6–7.8 | 7–8.4 |
| Temperament | Semi-aggressive | Peaceful |
| Swims | Near the top | At every level |
Why it does not work
Goldfish do best with other fancy goldfish.
Better tank mates for bettas
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 bettas and fancy goldfish live in the same tank?
No, not a good match. Goldfish do best with other fancy goldfish.
What temperature suits bettas and fancy goldfish?
There is no temperature that suits both. Bettas need 75–82 °F (24–28 °C); fancy goldfish need 64–73 °F (18–23 °C).
More pairs
- Bettas and guppies
- Bettas and neon tetras
- Bettas and angelfish
- Bettas and bronze corydoras
- Bettas 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.