Can Common Pleco live with Rainbow Shark? With caution
Large size gap — watch that Common Pleco doesn't bully Rainbow Shark.
Side by side
| 🐡 Common Pleco | 🦈 Rainbow Shark | |
| Adult size | 18" | 6" |
| Min tank | 125 gal | 55 gal |
| Temperature | 72–82°F | 72–81°F |
| pH | 6.5–7.8 | 6.5–7.5 |
| Temperament | Semi-aggressive | Semi-aggressive |
How to make it work
- Large size gap — watch that Common Pleco doesn't bully Rainbow Shark.
- Provide ample swimming space, sight breaks, and matched water parameters.