Can Neon Tetra Live With Swordtail?
Neon Tetra and Swordtail are compatible. Temperature overlap 72–81°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Neon Tetra | Swordtail | Overlap |
|---|---|---|---|
| Temperature | 70–81°F | 72–82°F | 72–81°F ✓ |
| pH Range | 6–7 | 7–8.4 | 7–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 1.5" | 5.5" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Neon Tetra + Swordtail
To keep Neon Tetra and Swordtail together, you need at minimum a 20 gallon tank. Neon Tetra should be kept in a school of 6+. Swordtail should be kept in a school of 3+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Neon Tetra
Paracheirodon innesi
The Neon Tetra is arguably the most popular freshwater aquarium fish in the hobby. Their electric blue stripe and red tail create a stunning display, especially in large schools against a planted backdrop. Hardy, peaceful, and easy to care for, neon tetras are perfect for beginners and make excellent community tank members.
Full care guide →Swordtail
Xiphophorus hellerii
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 →