Can corydoras live with zebra danios?

Verdict
Yes

Yes. Corydoras and zebra danios get along in the same tank. Both are fine at 72–77°F. Plan on at least 20 gal.

CorydorasCorydoras72–79°F · pH 6–7.8 Zebra danioZebra danio65–77°F · pH 6.5–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Corydoras 72–79°Zebra danio 65–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.8Corydoras 6–7.8Zebra danio 6.5–8
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inZebra danio · 2 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

CorydorasZebra danio
Temperature72–79 °F65–77 °F
pH6–7.86.5–8
Adult size2.5 in2.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for zebra danios

All zebra danio tank mates

Questions

Can corydoras live with zebra danios?

Yes. Corydoras and zebra danios get along in the same tank. Both are fine at 72–77°F. Plan on at least 20 gal.

What temperature suits both corydoras and zebra danios?

72–77 °F. Corydoras need 72–79 °F, zebra danios need 65–77 °F.

What size tank do corydoras and zebra danios need together?

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