Can Harlequin Rasbora Live With Discus?
❌Not Compatible
Harlequin Rasbora and Discus are not compatible due to size mismatch or behavioral conflicts.
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Parameter Comparison
| Parameter | Harlequin Rasbora | Discus | Overlap |
|---|---|---|---|
| Temperature | 72–81°F | 81–88°F | 82–82°F ✓ |
| pH Range | 5.5–7 | 5.5–7 | 6–7 ✓ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 2" | 7.9" | Size mismatch ✗ |
| Min Tank Size | 11 gal | 53 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | advanced | — |
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
beginnerpeaceful11+ gal
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 →Discus
Symphysodon spp.
advancedsemi-aggressive53+ gal
The Discus (Symphysodon spp.) is a advanced freshwater species known for its multi-color (red, blue, brown, green variants) coloration. King of freshwater fish. Mid.
Full care guide →Other Compatible Tank Mates
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