Can Flowerhorn live with Red Tail Shark? Not recommended
Temperature ranges don't overlap (72–79°F vs 80–86°F).
Side by side
| 🐡 Flowerhorn | 🦈 Red Tail Shark | |
| Adult size | 12" | 5" |
| Min tank | 75 gal | 55 gal |
| Temperature | 80–86°F | 72–79°F |
| pH | 7–8 | 6.5–7.5 |
| Temperament | Aggressive | Aggressive |
Why
- Temperature ranges don't overlap (72–79°F vs 80–86°F).
- Flowerhorn is large or predatory enough to eat or harass Red Tail Shark.
- Two aggressive species — needs space and broken sight lines.