Can Flowerhorn live with Harlequin Rasbora? Not recommended
Flowerhorn is large or predatory enough to eat or harass Harlequin Rasbora.
Side by side
| 🐡 Flowerhorn | 🐟 Harlequin Rasbora | |
| Adult size | 12" | 2" |
| Min tank | 75 gal | 15 gal |
| Temperature | 80–86°F | 72–80°F |
| pH | 7–8 | 6–7.5 |
| Temperament | Aggressive | Peaceful |
Why
- Flowerhorn is large or predatory enough to eat or harass Harlequin Rasbora.
- Aggressive plus peaceful pairing — monitor for stress.