Can Diamond Tetra Live With Threadfin Acara?
Diamond Tetra and Threadfin Acara CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 76–82°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.5.
Size
⚠ Use Caution
Significant size difference (8" vs 2.5"). Threadfin Acara may bully or stress Diamond Tetra.
Temperament
⚠ Use Caution
Diamond Tetra (peaceful) may have issues with Threadfin Acara (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Diamond Tetra: middle, Threadfin Acara: bottom), reducing conflict.
Important Notes
- Diamond Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Diamond Tetra | Threadfin Acara |
|---|---|---|
| Temperature | 72–82°F | 76–84°F |
| pH | 6–7.5 | 5.5–7.5 |
| Max Size | 2.5" | 8" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Bottom |
| Min Tank | 20 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.