Can glowlight tetras live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Glowlight tetras and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 20 gal.

Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Glowlight tetra 74–80°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glowlight tetra 6–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Glowlight tetra · 1.5 inDwarf neon rainbowfish · 2.5 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

Glowlight tetraDwarf neon rainbowfish
Temperature74–80 °F75–82 °F
pH6–7.56.5–7.5
Adult size1.5 in2.5 in
Minimum tank10 gal20 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 dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can glowlight tetras live with dwarf neon rainbowfish?

Yes. Glowlight tetras and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 20 gal.

What temperature suits both glowlight tetras and dwarf neon rainbowfish?

75–80 °F. Glowlight tetras need 74–80 °F, dwarf neon rainbowfish need 75–82 °F.

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

At least 20 gal, set by the dwarf neon rainbowfish. Add space for each extra fish.