Can Fancy Goldfish Live With Harlequin Rasbora?
Fancy Goldfish and Harlequin Rasbora are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–74°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
⚠ Use Caution
Significant size difference (8" vs 2"). Fancy Goldfish may bully or stress Harlequin Rasbora.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Trait Conflict
✗ Not Compatible
Fancy Goldfish is a coldwater species and should not be kept with tropical fish like Harlequin Rasbora.
Important Notes
- Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 25 gallons
| Parameter | Fancy Goldfish | Harlequin Rasbora |
|---|---|---|
| Temperature | 60–74°F | 72–82°F |
| pH | 6.5–8 | 6–7.5 |
| Max Size | 8" | 2" |
| Temperament | Peaceful | Peaceful |
| Swim Level | All | Middle |
| Min Tank | 20 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.