Can bristlenose plecos live with chili rasboras?

Verdict
Yes

Yes. Bristlenose plecos and chili rasboras get along in the same tank. Both are fine at 75–81°F. Plan on at least 30 gal.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 Chili rasboraChili rasbora75–82°F · pH 4–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Bristlenose pleco 73–81°Chili rasbora 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Bristlenose pleco 6.5–7.5Chili rasbora 4–7
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inChili rasbora · 0.8 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 plecoChili rasbora
Temperature73–81 °F75–82 °F
pH6.5–7.54–7
Adult size5.0 in0.8 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 8+
DietHerbivoreCarnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can bristlenose plecos live with chili rasboras?

Yes. Bristlenose plecos and chili rasboras get along in the same tank. Both are fine at 75–81°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and chili rasboras?

75–81 °F. Bristlenose plecos need 73–81 °F, chili rasboras need 75–82 °F.

What size tank do bristlenose plecos and chili rasboras need together?

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.