Can bristlenose plecos live with elephant nose fish?

Verdict
Yes

Yes. Bristlenose plecos and elephant nose fish get along in the same tank. Both are fine at 73–81°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–81°Bristlenose pleco 73–81°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inElephant nose fish · 9 in0"1"2"3"4"5"6"7"8"9"
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 plecoElephant nose fish
Temperature73–81 °F73–82 °F
pH6.5–7.56–7.5
Adult size5.0 in9.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietHerbivoreCarnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can bristlenose plecos live with elephant nose fish?

Yes. Bristlenose plecos and elephant nose fish get along in the same tank. Both are fine at 73–81°F. Plan on at least 55 gal.

What temperature suits both bristlenose plecos and elephant nose fish?

73–81 °F. Bristlenose plecos need 73–81 °F, elephant nose fish need 73–82 °F.

What size tank do bristlenose plecos and elephant nose fish need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.