Can Neon Tetra Live With Round-Tailed Paradise Fish?
Neon Tetra and Round-Tailed Paradise Fish are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 70–77°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (1.5" and 3").
Temperament
⚠ Use Caution
Neon Tetra (peaceful) may have issues with Round-Tailed Paradise Fish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Neon Tetra: middle, Round-Tailed Paradise Fish: top), reducing conflict.
Trait Conflict
✗ Not Compatible
Round-Tailed Paradise Fish is a coldwater species and should not be kept with tropical fish like Neon Tetra.
Important Notes
- Neon Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 20 gallons
| Parameter | Neon Tetra | Round-Tailed Paradise Fish |
|---|---|---|
| Temperature | 70–81°F | 50–77°F |
| pH | 6–7 | 6–8 |
| Max Size | 1.5" | 3" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Top |
| Min Tank | 10 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.