Can zebra danios live with bettas?
⚠️ Caution Sometimes, with care
- ⚠️ Caution Zebra danio sometimes nips long fins, so betta fish may get harassed.
| Zebra danio | Betta fish | |
| Temperature | 64–77 °F (18–25 °C) | 72–86 °F (22–30 °C) |
| pH | 6–8 | 6–8 |
| Adult size | 2.0 in (5 cm) | 2.8 in (7 cm) |
| Temperament | Peaceful | Semi-aggressive |
| Swims in | Top | Top |
| Minimum tank | 20 gal | 10 gal |
Shared temperature: 72–77 °F (22–25 °C) · Shared pH: 6–8
Tips if you keep them together
- Keep zebra danios in a group of at least 6.
- Keep only one betta fish (or one male).
- Use a tank of at least 20 US gallons with plenty of plants and hiding places.
- Set the heater around 74 °F (23.5 °C), the middle of the shared range.
See all zebra danio tank mates and betta fish tank mates, or add more species in the checker.
FAQ
Can zebra danios live with bettas?
Sometimes, with care. Zebra danio sometimes nips long fins, so betta fish may get harassed.
What temperature for zebra danios and bettas?
Zebra danio: 64–77 °F (18–25 °C). Betta fish: 72–86 °F (22–30 °C). Shared range: 72–77 °F (22–25 °C).
What size tank for zebra danios and bettas?
At least 20 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.