Can Jack Dempsey Live With Zebra Danio?
Jack Dempsey and Zebra Danio 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
⚠ Use Caution
Significant size difference (10" vs 2"). Jack Dempsey may bully or stress Zebra Danio.
Temperament
✗ Not Compatible
Jack Dempsey (aggressive) is not compatible with Zebra Danio (peaceful). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Jack Dempsey: middle, Zebra Danio: top), reducing conflict.
Trait Conflict
✗ Not Compatible
Jack Dempsey is a predator and may eat Zebra Danio.
Important Notes
- Zebra Danio is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 60 gallons
| Parameter | Jack Dempsey | Zebra Danio |
|---|---|---|
| Temperature | 72–86°F | 64–77°F |
| pH | 6.5–7.5 | 6.5–7.5 |
| Max Size | 10" | 2" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.