Can Betta Fish Live With Swordtail?
❌Not Compatible
Betta Fish and Swordtail are not compatible due to size mismatch or behavioral conflicts.
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Parameter Comparison
| Parameter | Betta Fish | Swordtail | Overlap |
|---|---|---|---|
| Temperature | 75–79°F | 70–82°F | 76–82°F ✓ |
| pH Range | 6.5–7.5 | 7–8 | 7–7.5 ✓ |
| Temperament | semi-aggressive | peaceful | Monitor ⚠ |
| Max Size | 2.8" | 5.5" | Similar ✓ |
| Min Tank Size | 6 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Betta Fish
Betta splendens
beginnersemi-aggressive6+ gal
Betta fish (Betta splendens) are colourful freshwater fish with curious personalities and territorial behaviour. Keep a single betta in a heated, gently filtered aquarium with plants, sheltered resting places, and access to the water surface.
Full care guide →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 →Other Compatible Tank Mates
For Betta Fish:
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