Can Electric Blue Johanni Live With Harlequin Rasbora?
Electric Blue Johanni and Harlequin Rasbora are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
⚠ Use Caution
Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.
Size
✓ Compatible
Compatible sizes (4" and 2").
Temperament
✗ Not Compatible
Electric Blue Johanni (aggressive) is not compatible with Harlequin Rasbora (peaceful). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Electric Blue Johanni 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 Johanni | Harlequin Rasbora |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 7.5–8.5 | 6–7.5 |
| Max Size | 4" | 2" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
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