Can Discus Live With Roberts Tetra?
Discus and Roberts Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✗ Not Compatible
No temperature overlap. Discus needs 82–88°F, but Roberts Tetra needs 73–80°F.
pH
✓ Compatible
Good pH overlap at 5.5–7.0.
Size
✗ Not Compatible
Extreme size difference. Discus (8") may eat or bully Roberts Tetra (1.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Discus is a schooling fish and needs at least 5 of its kind.
- Roberts Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 63 gallons
| Parameter | Discus | Roberts Tetra |
|---|---|---|
| Temperature | 82–88°F | 73–80°F |
| pH | 5.5–7 | 5.5–7 |
| Max Size | 8" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 55 gal | 15 gal |
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