Can Pearl Danio Live With Ruby Tetra?
Pearl Danio and Ruby Tetra CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 68–77°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
⚠ Use Caution
Significant size difference (2.5" vs 0.7"). Pearl Danio may bully or stress Ruby Tetra.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Pearl Danio: top, Ruby Tetra: middle), reducing conflict.
Important Notes
- Pearl Danio is a schooling fish and needs at least 5 of its kind.
- Ruby Tetra is a schooling fish and needs at least 8 of its kind.
Tank Requirements
Minimum tank size for this combination: 18 gallons
| Parameter | Pearl Danio | Ruby Tetra |
|---|---|---|
| Temperature | 64–77°F | 68–82°F |
| pH | 6–8 | 5–7 |
| Max Size | 2.5" | 0.7" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 15 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.