Can Ruby Tetra Live With Upside Down Catfish?
Ruby Tetra and Upside Down Catfish are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–82°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✗ Not Compatible
Extreme size difference. Upside Down Catfish (4") may eat or bully Ruby Tetra (0.7").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Ruby Tetra is a schooling fish and needs at least 8 of its kind.
Tank Requirements
Minimum tank size for this combination: 20 gallons
| Parameter | Ruby Tetra | Upside Down Catfish |
|---|---|---|
| Temperature | 68–82°F | 72–82°F |
| pH | 5–7 | 6–7.5 |
| Max Size | 0.7" | 4" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | All |
| Min Tank | 5 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.