Can Betta mahachaiensis Live With Harlequin Rasbora?
Betta mahachaiensis and Harlequin Rasbora CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✓ Compatible
Compatible sizes (2" and 2").
Temperament
⚠ Use Caution
Betta mahachaiensis (semi-aggressive) may have issues with Harlequin Rasbora (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Betta mahachaiensis: top, Harlequin Rasbora: middle), reducing conflict.
Trait Conflict
⚠ Use Caution
Betta mahachaiensis may prefer brackish water conditions, which Harlequin Rasbora cannot tolerate long-term.
Important Notes
- Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 10 gallons
| Parameter | Betta mahachaiensis | Harlequin Rasbora |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 6.5–8 | 6–7.5 |
| Max Size | 2" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.