Can Electric Blue Jack Dempsey Live With Harlequin Rasbora?
Electric Blue Jack Dempsey and Harlequin Rasbora CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 74–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
⚠ Use Caution
Significant size difference (8" vs 2"). Electric Blue Jack Dempsey may bully or stress Harlequin Rasbora.
Temperament
⚠ Use Caution
Electric Blue Jack Dempsey (semi-aggressive) may have issues with Harlequin Rasbora (peaceful). Monitor closely if attempting.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Electric Blue Jack Dempsey is territorial. Provide plenty of space and hiding spots.
Important Notes
- Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 60 gallons
| Parameter | Electric Blue Jack Dempsey | Harlequin Rasbora |
|---|---|---|
| Temperature | 74–84°F | 72–82°F |
| pH | 6.5–7.5 | 6–7.5 |
| Max Size | 8" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.