Can Harlequin Rasbora Live With Sven's Eartheater?

Harlequin Rasbora and Sven's Eartheater CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 78–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.5.

Size ⚠ Use Caution

Significant size difference (7" vs 2"). Sven's Eartheater may bully or stress Harlequin Rasbora.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Harlequin Rasbora: middle, Sven's Eartheater: bottom), reducing conflict.

Important Notes

  • Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
  • Sven's Eartheater is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterHarlequin RasboraSven's Eartheater
Temperature72–82°F78–86°F
pH6–7.55.5–7.5
Max Size2"7"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal55 gal

Check More Combinations

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