Can Common Pleco live with Swordtail? With caution
Large size gap — watch that Common Pleco doesn't bully Swordtail.
Side by side
| 🐡 Common Pleco | 🐠 Swordtail | |
| Adult size | 18" | 5.5" |
| Min tank | 125 gal | 20 gal |
| Temperature | 72–82°F | 72–82°F |
| pH | 6.5–7.8 | 7–8.4 |
| Temperament | Semi-aggressive | Semi-aggressive |
How to make it work
- Large size gap — watch that Common Pleco doesn't bully Swordtail.
- Provide ample swimming space, sight breaks, and matched water parameters.