Can Red-Bellied Pacu Live With Zebra Danio?
Red-Bellied Pacu and Zebra Danio are NOT compatible tank mates.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (76–77°F). Maintaining stable temp in this range may be difficult.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✗ Not Compatible
Extreme size difference. Red-Bellied Pacu (30") may eat or bully Zebra Danio (2").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Red-Bellied Pacu: middle, Zebra Danio: top), reducing conflict.
Important Notes
- Zebra Danio is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 255 gallons
| Parameter | Red-Bellied Pacu | Zebra Danio |
|---|---|---|
| Temperature | 76–82°F | 64–77°F |
| pH | 6–7.5 | 6.5–7.5 |
| Max Size | 30" | 2" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 250 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.