Can Oscar live with Red Tail Shark? Not recommended
Oscar is large or predatory enough to eat or harass Red Tail Shark.
Side by side
| 🐡 Oscar | 🦈 Red Tail Shark | |
| Adult size | 12" | 5" |
| Min tank | 75 gal | 55 gal |
| Temperature | 74–81°F | 72–79°F |
| pH | 6–8 | 6.5–7.5 |
| Temperament | Aggressive | Aggressive |
Why
- Oscar is large or predatory enough to eat or harass Red Tail Shark.
- Two aggressive species — needs space and broken sight lines.