Can Congo Tetra Live With Round-Tailed Paradise Fish?
Congo Tetra and Round-Tailed Paradise Fish are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–77°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.5.
Size
✓ Compatible
Compatible sizes (3.5" and 3").
Temperament
⚠ Use Caution
Congo Tetra (peaceful) may have issues with Round-Tailed Paradise Fish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Congo 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 Congo Tetra.
Important Notes
- Congo Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 40 gallons
| Parameter | Congo Tetra | Round-Tailed Paradise Fish |
|---|---|---|
| Temperature | 73–82°F | 50–77°F |
| pH | 6–7.5 | 6–8 |
| Max Size | 3.5" | 3" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Top |
| Min Tank | 30 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.