Can bettas live with guppies?
❌ Not recommended No, it's not recommended
- ❌ Not recommended Betta fish often attacks long-finned, colourful fish like guppy.
| Betta fish | Guppy | |
| Temperature | 72–86 °F (22–30 °C) | 63–82 °F (17–28 °C) |
| pH | 6–8 | 7–8.5 |
| Adult size | 2.8 in (7 cm) | 2.4 in (6 cm) |
| Temperament | Semi-aggressive | Peaceful |
| Swims in | Top | Top |
| Minimum tank | 10 gal | 10 gal |
Shared temperature: 72–82 °F (22–28 °C) · Shared pH: 7–8
If you already have both
- Separate them as soon as possible, or rehome one of them. Use a divider in the meantime.
See all betta fish tank mates and guppy tank mates, or add more species in the checker.
FAQ
Can bettas live with guppies?
No, it's not recommended. Betta fish often attacks long-finned, colourful fish like guppy.
What temperature for bettas and guppies?
Betta fish: 72–86 °F (22–30 °C). Guppy: 63–82 °F (17–28 °C). Shared range: 72–82 °F (22–28 °C).
What size tank for bettas and guppies?
At least 10 US gallons, more as you add fish.
Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.