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

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Bristlenose pleco 73–81°Red tail shark 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Red tail shark 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inRed tail shark · 5 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Bristlenose plecoRed tail shark
Temperature73–81 °F72–79 °F
pH6.5–7.56.5–7.5
Adult size5.0 in5.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupAlone or in pairsOne per tank
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for red tail sharks

All red tail shark tank mates

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.