Can Ruby Tetra Live With Severum?
Ruby Tetra and Severum are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✗ Not Compatible
Extreme size difference. Severum (8") may eat or bully Ruby Tetra (0.7").
Temperament
⚠ Use Caution
Ruby Tetra (peaceful) may have issues with Severum (semi-aggressive). Monitor closely if attempting.
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: 55 gallons
| Parameter | Ruby Tetra | Severum |
|---|---|---|
| Temperature | 68–82°F | 75–84°F |
| pH | 5–7 | 6–7.5 |
| Max Size | 0.7" | 8" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 5 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.