Can bristlenose plecos live with red tail sharks?
Verdict
Yes, with care
Yes, with care. Bristlenose plecos and red tail sharks can share a tank, but watch one thing. Red tail sharks chase other bottom fish out of their patch.
What to watch
- Watch outRed tail sharks chase other bottom fish out of their patch.
What works
- Both are fine at 73–79°F.
- pH 6.5–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Bristlenose pleco | Red tail shark | |
|---|---|---|
| Temperature | 73–81 °F | 72–79 °F |
| pH | 6.5–7.5 | 6.5–7.5 |
| Adult size | 5.0 in | 5.0 in |
| Minimum tank | 30 gal | 55 gal |
| Temperament | Peaceful | Semi-aggressive |
| Swims at | Bottom | Bottom |
| Group | Alone or in pairs | One per tank |
| Diet | Herbivore | Omnivore |
Better tank mates for bristlenose plecos
All bristlenose pleco tank mates
Better tank mates for red tail sharks
Questions
Can bristlenose plecos live with red tail sharks?
Yes, with care. Bristlenose plecos and red tail sharks can share a tank, but watch one thing. Red tail sharks chase other bottom fish out of their patch.
What temperature suits both bristlenose plecos and red tail sharks?
73–79 °F. Bristlenose plecos need 73–81 °F, red tail sharks need 72–79 °F.
What size tank do bristlenose plecos and red tail sharks need together?
At least 55 gal, set by the red tail shark. Add space for each extra fish.









