Can corydoras live with endlers?

Verdict
Yes

Yes, corydoras and endlers can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

CorydorasCorydoras72–79°F · pH 6–7.8 Endler's livebearerEndler's livebearer72–82°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Corydoras 72–79°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.8Corydoras 6–7.8Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inEndler's livebearer · 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

CorydorasEndler's livebearer
Temperature72–79 °F72–82 °F
pH6–7.87–8
Adult size2.5 in1.0 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can corydoras live with endlers?

Yes, corydoras and endlers can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

What temperature suits both corydoras and endlers?

72–79 °F. Corydoras need 72–79 °F, endlers need 72–82 °F.

What size tank do corydoras and endlers need together?

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