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Can Betta (male) and Rummynose Tetra Live Together?
Compatible with caution
- Shared temperature window: 76-82°F.
- Shared pH window: 6.5-7.0.
- Bettas are unpredictable; avoid bright/long-finned tankmates and have a backup plan.
Side-by-side
| Parameter | Betta (male) | Rummynose Tetra |
|---|---|---|
| Adult size | 2.5" | 2" |
| Min tank | 5 gal | 20 gal |
| Temperature | 76-82°F | 75-84°F |
| pH | 6.5-7.5 | 5.5-7 |
| Temperament | Aggressive | Peaceful |
| Diet | Carnivore | Omnivore |
Recommended shared tank: 20 gallons or larger. Keep at 76-82°F. Target pH 6.5-7.0.
FAQ
Can Betta (male) and Rummynose Tetra live together?
Compatible with caution. Shared temperature window: 76-82°F.
What size tank do Betta (male) and Rummynose Tetra need together?
Plan for at least 20 gallons, more if you keep schooling groups of either species.
See full care guides: Betta (male) · Rummynose Tetra