Can Harlequin Rasbora Live With Penang Betta?

Harlequin Rasbora and Penang Betta are compatible tank mates!

Detailed Analysis

Known Pairing ✓ Compatible

Penang Betta and Harlequin Rasbora are known to coexist well.

Temperature ✓ Compatible

Good temperature overlap at 72–80°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 3").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 18 gallons

ParameterHarlequin RasboraPenang Betta
Temperature72–82°F72–80°F
pH6–7.55.5–7
Max Size2"3"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank10 gal15 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.