Can Diamond Tetra Live With Discus?
Diamond Tetra and Discus CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (82–82°F). Maintaining stable temp in this range may be difficult.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
⚠ Use Caution
Significant size difference (8" vs 2.5"). Discus may bully or stress Diamond Tetra.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Diamond Tetra is a schooling fish and needs at least 6 of its kind.
- Discus is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Diamond Tetra | Discus |
|---|---|---|
| Temperature | 72–82°F | 82–88°F |
| pH | 6–7.5 | 5.5–7 |
| Max Size | 2.5" | 8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 20 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.