Can Harlequin Rasbora Live With Kuhli Loach?

Harlequin Rasbora and Kuhli Loach are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 4").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Harlequin Rasbora: middle, Kuhli Loach: bottom), reducing conflict.

Important Notes

  • Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
  • Kuhli Loach is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 18 gallons

ParameterHarlequin RasboraKuhli Loach
Temperature72–82°F73–86°F
pH6–7.55.5–7
Max Size2"4"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal15 gal

Check More Combinations

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