Can Otocinclus live with Rainbow Shark? With caution
Large size gap — watch that Rainbow Shark doesn't bully Otocinclus.
Side by side
| 🐡 Otocinclus | 🦈 Rainbow Shark | |
| Adult size | 1.6" | 6" |
| Min tank | 10 gal | 55 gal |
| Temperature | 72–79°F | 72–81°F |
| pH | 6–7.5 | 6.5–7.5 |
| Temperament | Peaceful | Semi-aggressive |
How to make it work
- Large size gap — watch that Rainbow Shark doesn't bully Otocinclus.
- Provide ample swimming space, sight breaks, and matched water parameters.