Can Harlequin Rasbora Live With Hendra's Betta?

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

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ⚠ Use Caution

Very narrow pH overlap (6.0–6.0). Hard to maintain precisely.

Size ✓ Compatible

Compatible sizes (2" and 1.5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Harlequin Rasbora: middle, Hendra's 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 RasboraHendra's Betta
Temperature72–82°F75–82°F
pH6–7.54–6
Max Size2"1.5"
TemperamentPeacefulPeaceful
Swim LevelMiddleTop
Min Tank10 gal5 gal

Check More Combinations

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