Can rams live with chili rasboras?

Verdict
Yes

Yes. Rams and chili rasboras get along in the same tank. Both are fine at 80–82°F. Plan on at least 20 gal.

German blue ramGerman blue ram80–86°F · pH 5–7 Chili rasboraChili rasbora75–82°F · pH 4–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–82°German blue ram 80–86°Chili rasbora 75–82°
The green band is the temperature range both can live in.
456789Both: 5–7German blue ram 5–7Chili rasbora 4–7
The green band is the pH both tolerate.

Size to scale

German blue ram · 2.5 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

German blue ramChili rasbora
Temperature80–86 °F75–82 °F
pH5–74–7
Adult size2.5 in0.8 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 8+
DietOmnivoreCarnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can rams live with chili rasboras?

Yes. Rams and chili rasboras get along in the same tank. Both are fine at 80–82°F. Plan on at least 20 gal.

What temperature suits both rams and chili rasboras?

80–82 °F. Rams need 80–86 °F, chili rasboras need 75–82 °F.

What size tank do rams and chili rasboras need together?

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