Can corydoras live with paradise fish?

Verdict
Yes

Yes. Corydoras and paradise fish 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 Paradise fishParadise fish61–79°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Corydoras 72–79°Paradise fish 61–79°
The green band is the temperature range both can live in.
456789Both: 6–7.8Corydoras 6–7.8Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inParadise fish · 3.5 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

CorydorasParadise fish
Temperature72–79 °F61–79 °F
pH6–7.86–8
Adult size2.5 in3.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomTop
GroupGroups of 6+One per tank
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can corydoras live with paradise fish?

Yes. Corydoras and paradise fish 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 paradise fish?

72–79 °F. Corydoras need 72–79 °F, paradise fish need 61–79 °F.

What size tank do corydoras and paradise fish need together?

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