Can Harlequin Rasbora Live With Wine Red Betta?
Harlequin Rasbora and Wine Red Betta are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✗ Not Compatible
No pH overlap. Harlequin Rasbora needs pH 6–7.5, but Wine Red Betta needs pH 3.5–5.5.
Size
✓ Compatible
Compatible sizes (2" and 1.8").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Harlequin Rasbora: middle, Wine Red Betta: top), reducing conflict.
Important Notes
- Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 13 gallons
| Parameter | Harlequin Rasbora | Wine Red Betta |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 6–7.5 | 3.5–5.5 |
| Max Size | 2" | 1.8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 10 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.