Can Harlequin Rasbora Live With Swordtail?
Harlequin Rasbora and Swordtail are compatible. Temperature overlap 73–82°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Harlequin Rasbora | Swordtail | Overlap |
|---|---|---|---|
| Temperature | 72–81°F | 70–82°F | 73–82°F ✓ |
| pH Range | 5.5–7 | 7–8 | 7–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 5.5" | Similar ✓ |
| Min Tank Size | 11 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Harlequin Rasbora + Swordtail
To keep Harlequin Rasbora and Swordtail together, you need at minimum a 20 gallon tank. Harlequin Rasbora should be kept in a school of 8+. Swordtail should be kept in a school of 4+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
The Harlequin Rasbora (Trigonostigma heteromorpha) is a beginner freshwater species known for its orange-pink, black triangle coloration. Classic schooling fish. Mid.
Full care guide →Swordtail
Xiphophorus hellerii
The Swordtail (Xiphophorus hellerii) is a beginner freshwater species known for its red-orange, green coloration. Males have elongated sword-like tail. Mid to Top.
Full care guide →