Can Harlequin Rasbora Live With Peacock Eel?
Harlequin Rasbora and Peacock Eel are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
⚠ Use Caution
Significant size difference (9" vs 2"). Peacock Eel may bully or stress Harlequin Rasbora.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Harlequin Rasbora: middle, Peacock Eel: bottom), reducing conflict.
Trait Conflict
✗ Not Compatible
Peacock Eel is a predator and may eat 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: 30 gallons
| Parameter | Harlequin Rasbora | Peacock Eel |
|---|---|---|
| Temperature | 72–82°F | 73–82°F |
| pH | 6–7.5 | 6.5–7.5 |
| Max Size | 2" | 9" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Bottom |
| Min Tank | 10 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.