Can glowlight tetras live with pygmy corys?

Verdict
Yes

Yes. Glowlight tetras and pygmy corys make a good pair. Both are fine at 74–79°F. Plan on at least 10 gal.

Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Glowlight tetra · 1.5 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

Glowlight tetraPygmy cory
Temperature74–80 °F72–79 °F
pH6–7.56–7.5
Adult size1.5 in1.0 in
Minimum tank10 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can glowlight tetras live with pygmy corys?

Yes. Glowlight tetras and pygmy corys make a good pair. Both are fine at 74–79°F. Plan on at least 10 gal.

What temperature suits both glowlight tetras and pygmy corys?

74–79 °F. Glowlight tetras need 74–80 °F, pygmy corys need 72–79 °F.

What size tank do glowlight tetras and pygmy corys need together?

At least 10 gal, set by the glowlight tetra. Add space for each extra fish.