Can neon tetras live with glowlight tetras?

Verdict
Yes

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

Neon tetraNeon tetra72–79°F · pH 6–7 Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–79°Neon tetra 72–79°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7Neon tetra 6–7Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 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

Neon tetraGlowlight tetra
Temperature72–79 °F74–80 °F
pH6–76–7.5
Adult size1.5 in1.5 in
Minimum tank10 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can neon tetras live with glowlight tetras?

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

What temperature suits both neon tetras and glowlight tetras?

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

What size tank do neon tetras and glowlight tetras need together?

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