Can Jack Dempsey Live With Mascara Barb?
Jack Dempsey and Mascara Barb are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–77°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✓ Compatible
Compatible sizes (10" and 5").
Temperament
✗ Not Compatible
Jack Dempsey (aggressive) is not compatible with Mascara Barb (peaceful). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Jack Dempsey is territorial. Provide plenty of space and hiding spots.
Important Notes
- Mascara Barb is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 70 gallons
| Parameter | Jack Dempsey | Mascara Barb |
|---|---|---|
| Temperature | 72–86°F | 68–77°F |
| pH | 6.5–7.5 | 6.5–7.5 |
| Max Size | 10" | 5" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 55 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.