Can Rainbow Cichlid Live With Ruby Tetra?
Rainbow Cichlid and Ruby Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
✗ Not Compatible
Extreme size difference. Rainbow Cichlid (5") may eat or bully Ruby Tetra (0.7").
Temperament
⚠ Use Caution
Rainbow Cichlid (semi-aggressive) may have issues with Ruby Tetra (peaceful). 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: 33 gallons
| Parameter | Rainbow Cichlid | Ruby Tetra |
|---|---|---|
| Temperature | 72–82°F | 68–82°F |
| pH | 6.5–8 | 5–7 |
| Max Size | 5" | 0.7" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 30 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.