Can bolivian rams live with chili rasboras?

Verdict
Yes

Yes. Bolivian rams and chili rasboras make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

Bolivian ramBolivian ram72–79°F · pH 6–7.5 Chili rasboraChili rasbora75–82°F · pH 4–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Bolivian ram 72–79°Chili rasbora 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7Bolivian ram 6–7.5Chili rasbora 4–7
The green band is the pH both tolerate.

Size to scale

Bolivian ram · 3 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

Bolivian ramChili rasbora
Temperature72–79 °F75–82 °F
pH6–7.54–7
Adult size3.0 in0.8 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 8+
DietOmnivoreCarnivore

Better tank mates for bolivian rams

All bolivian ram tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can bolivian rams live with chili rasboras?

Yes. Bolivian rams and chili rasboras make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both bolivian rams and chili rasboras?

75–79 °F. Bolivian rams need 72–79 °F, chili rasboras need 75–82 °F.

What size tank do bolivian rams and chili rasboras need together?

At least 20 gal, set by the bolivian ram. Add space for each extra fish.