Can Harlequin Rasbora Live With Peaceful Betta?

Harlequin Rasbora and Peaceful Betta are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 2").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Harlequin Rasbora: middle, Peaceful 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

ParameterHarlequin RasboraPeaceful Betta
Temperature72–82°F75–82°F
pH6–7.55.5–7
Max Size2"2"
TemperamentPeacefulPeaceful
Swim LevelMiddleTop
Min Tank10 gal5 gal

Check More Combinations

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