Can Fire Eel Live With Harlequin Rasbora?
Fire Eel and Harlequin Rasbora are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✗ Not Compatible
Extreme size difference. Fire Eel (24") may eat or bully Harlequin Rasbora (2").
Temperament
⚠ Use Caution
Fire Eel (semi-aggressive) may have issues with Harlequin Rasbora (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Fire Eel: bottom, Harlequin Rasbora: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Fire 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: 80 gallons
| Parameter | Fire Eel | Harlequin Rasbora |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 6.5–7.5 | 6–7.5 |
| Max Size | 24" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Bottom | Middle |
| Min Tank | 75 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.