Can Swordtail Live With Jack Dempsey?
❌Not Compatible
Jack Dempsey Cichlid is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Swordtail | Jack Dempsey | Overlap |
|---|---|---|---|
| Temperature | 70–82°F | 72–86°F | 72–82°F ✓ |
| pH Range | 7–8 | 6.5–7.5 | 7–8 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 5.5" | 9.8" | Similar ✓ |
| Min Tank Size | 20 gal | 53 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Swordtail
Xiphophorus hellerii
beginnerpeaceful20+ gal
The Swordtail (Xiphophorus hellerii) is a beginner freshwater species known for its red-orange, green coloration. Males have elongated sword-like tail. Mid to Top.
Full care guide →Jack Dempsey
Rocio octofasciata
intermediateaggressive53+ gal
The Jack Dempsey (Rocio octofasciata) is a intermediate freshwater species known for its dark brown-purple, blue-green spots coloration. Named after the boxer. Mid to Bottom.
Full care guide →Other Compatible Tank Mates
For Jack Dempsey:
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