Can Black Ruby Barb Live With Oscar?
Black Ruby Barb and Oscar are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 74–79°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✗ Not Compatible
Extreme size difference. Oscar (14") may eat or bully Black Ruby Barb (2.5").
Temperament
✗ Not Compatible
Black Ruby Barb (peaceful) is not compatible with Oscar (aggressive). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Oscar is territorial. Provide plenty of space and hiding spots.
Trait Conflict
✗ Not Compatible
Oscar is a predator and may eat Black Ruby Barb.
Important Notes
- Black Ruby Barb is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 75 gallons
| Parameter | Black Ruby Barb | Oscar |
|---|---|---|
| Temperature | 72–79°F | 74–81°F |
| pH | 6–7 | 6–7.5 |
| Max Size | 2.5" | 14" |
| Temperament | Peaceful | Aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 20 gal | 75 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.