Can Oscar Live With Polka Dot Loach?
Oscar and Polka Dot Loach are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–81°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (14" and 5").
Temperament
✗ Not Compatible
Oscar (aggressive) is not compatible with Polka Dot Loach (peaceful). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Oscar: middle, Polka Dot Loach: bottom), reducing conflict.
Trait Conflict
✗ Not Compatible
Oscar is a predator and may eat Polka Dot Loach.
Important Notes
- Polka Dot Loach is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 90 gallons
| Parameter | Oscar | Polka Dot Loach |
|---|---|---|
| Temperature | 74–81°F | 75–82°F |
| pH | 6–7.5 | 6–7 |
| Max Size | 14" | 5" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Bottom |
| Min Tank | 75 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.