Can Clown Killifish Live With Jack Dempsey?
Clown Killifish and Jack Dempsey are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–79°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
✗ Not Compatible
Extreme size difference. Jack Dempsey (10") may eat or bully Clown Killifish (1.4").
Temperament
✗ Not Compatible
Clown Killifish (peaceful) is not compatible with Jack Dempsey (aggressive). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Clown Killifish: top, Jack Dempsey: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Jack Dempsey is a predator and may eat Clown Killifish.
Important Notes
- Clown Killifish is a schooling fish and needs at least 4 of its kind.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Clown Killifish | Jack Dempsey |
|---|---|---|
| Temperature | 73–79°F | 72–86°F |
| pH | 5.5–7 | 6.5–7.5 |
| Max Size | 1.4" | 10" |
| Temperament | Peaceful | Aggressive |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 55 gal |
Check More Combinations
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