Can corydoras live with chili rasboras?

Verdict
Yes

Yes. Corydoras and chili rasboras get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Corydoras 72–79°Chili rasbora 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7Corydoras 6–7.8Chili rasbora 4–7
The green band is the pH both tolerate.

Size to scale

Corydoras · 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

CorydorasChili rasbora
Temperature72–79 °F75–82 °F
pH6–7.84–7
Adult size2.5 in0.8 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 8+
DietOmnivoreCarnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can corydoras live with chili rasboras?

Yes. Corydoras and chili rasboras get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both corydoras and chili rasboras?

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

What size tank do corydoras and chili rasboras need together?

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