Can Betta (male) live with Oscar? Not recommended
Oscar is large or predatory enough to eat or harass Betta (male).
Side by side
| 🐟 Betta (male) | 🐡 Oscar | |
| Adult size | 2.8" | 12" |
| Min tank | 5 gal | 75 gal |
| Temperature | 76–82°F | 74–81°F |
| pH | 6–7.5 | 6–8 |
| Temperament | Aggressive | Aggressive |
Why
- Oscar is large or predatory enough to eat or harass Betta (male).
- Two aggressive species — needs space and broken sight lines.