Can Swordtail Live With Royal Gramma?
❌Not Compatible
Cannot coexist — Swordtail is freshwater, Royal Gramma is saltwater.
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Parameter Comparison
| Parameter | Swordtail | Royal Gramma | Overlap |
|---|---|---|---|
| Temperature | 70–82°F | 75–79°F | 75–80°F ✓ |
| pH Range | 7–8 | 8.1–8.4 | 8.1–8.4 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 5.5" | 3.1" | Similar ✓ |
| Min Tank Size | 20 gal | 30 gal | 20 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | beginner | — |
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 →Royal Gramma
Gramma loreto
beginnerpeaceful30+ gal
The Royal Gramma (Gramma loreto) is a beginner saltwater species known for its purple (front), yellow (rear) coloration. Purple/yellow bicolor. Bottom to Mid.
Full care guide →Other Compatible Tank Mates
For Royal Gramma:
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