Can zebra danios live with pygmy corys?

Verdict
Yes

Yes. Zebra danios and pygmy corys make a good pair. Both are fine at 72–77°F. Plan on at least 10 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Zebra danio 65–77°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Zebra danio 6.5–8Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 inPygmy cory · 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

Zebra danioPygmy cory
Temperature65–77 °F72–79 °F
pH6.5–86–7.5
Adult size2.0 in1.0 in
Minimum tank10 gal10 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can zebra danios live with pygmy corys?

Yes. Zebra danios and pygmy corys make a good pair. Both are fine at 72–77°F. Plan on at least 10 gal.

What temperature suits both zebra danios and pygmy corys?

72–77 °F. Zebra danios need 65–77 °F, pygmy corys need 72–79 °F.

What size tank do zebra danios and pygmy corys need together?

At least 10 gal, set by the zebra danio. Add space for each extra fish.