Can corydoras live with glowlight tetras?

Verdict
Yes

Yes. Corydoras and glowlight tetras make a good pair. Both are fine at 74–79°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–79°Corydoras 72–79°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Corydoras 6–7.8Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inGlowlight tetra · 1.5 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

CorydorasGlowlight tetra
Temperature72–79 °F74–80 °F
pH6–7.86–7.5
Adult size2.5 in1.5 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 glowlight tetras

All glowlight tetra tank mates

Questions

Can corydoras live with glowlight tetras?

Yes. Corydoras and glowlight tetras make a good pair. Both are fine at 74–79°F. Plan on at least 20 gal.

What temperature suits both corydoras and glowlight tetras?

74–79 °F. Corydoras need 72–79 °F, glowlight tetras need 74–80 °F.

What size tank do corydoras and glowlight tetras need together?

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