Can Bloodfin Tetra Live With Oscar?
Bloodfin Tetra and Oscar are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 74–81°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.5.
Size
✗ Not Compatible
Extreme size difference. Oscar (14") may eat or bully Bloodfin Tetra (2").
Temperament
✗ Not Compatible
Bloodfin Tetra (peaceful) is not compatible with Oscar (aggressive). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Bloodfin Tetra: top, Oscar: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Oscar is a predator and may eat Bloodfin Tetra.
Important Notes
- Bloodfin Tetra is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 75 gallons
| Parameter | Bloodfin Tetra | Oscar |
|---|---|---|
| Temperature | 64–82°F | 74–81°F |
| pH | 6–8 | 6–7.5 |
| Max Size | 2" | 14" |
| Temperament | Peaceful | Aggressive |
| Swim Level | Top | Middle |
| Min Tank | 20 gal | 75 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.