Can corydoras live with celestial pearl danios?

Verdict
Yes

Yes. Corydoras and celestial pearl danios get along in the same tank. Both are fine at 72–79°F. Plan on at least 20 gal.

CorydorasCorydoras72–79°F · pH 6–7.8 Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Corydoras 72–79°Celestial pearl danio 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Corydoras 6–7.8Celestial pearl danio 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inCelestial pearl danio · 1 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

CorydorasCelestial pearl danio
Temperature72–79 °F72–79 °F
pH6–7.86.5–7.5
Adult size2.5 in1.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Questions

Can corydoras live with celestial pearl danios?

Yes. Corydoras and celestial pearl danios get along in the same tank. Both are fine at 72–79°F. Plan on at least 20 gal.

What temperature suits both corydoras and celestial pearl danios?

72–79 °F. Corydoras need 72–79 °F, celestial pearl danios need 72–79 °F.

What size tank do corydoras and celestial pearl danios need together?

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