Can Swordtail Live With Green Neon Tetra?
❌Not Compatible
Incompatible pH. Swordtail needs 7.0–8.4, Green Neon Tetra needs 4.5–6.5.
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Parameter Comparison
| Parameter | Swordtail | Green Neon Tetra | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 75–85°F | 75–82°F ✓ |
| pH Range | 7–8.4 | 4.5–6.5 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 5.5" | 1" | Size mismatch ✗ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Swordtail
Xiphophorus hellerii
beginnerpeaceful20+ gal
Swordtails are hardy, colorful livebearers named for the distinctive elongated lower tail fin (the 'sword') found on males. They come in many color varieties including red, pineapple, marigold, and tuxedo. Larger than guppies but just as easy to care for, swordtails are excellent community fish that prefer hard, alkaline water.
Full care guide →Green Neon Tetra
Paracheirodon simulans
intermediatepeaceful10+ gal
The Green Neon Tetra (Paracheirodon simulans) is a intermediate-level freshwater fish growing to 1 inches. Peaceful temperament, minimum 10 gallon tank.
Full care guide →Other Compatible Tank Mates
For Green Neon Tetra:
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