Can ember tetras live with glowlight tetras?

Verdict
Yes

Yes, ember tetras and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 10 gal.

Ember tetraEmber tetra73–84°F · pH 5.5–7 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: 74–80°Ember tetra 73–84°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7Ember tetra 5.5–7Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Ember tetra · 0.8 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

Ember tetraGlowlight tetra
Temperature73–84 °F74–80 °F
pH5.5–76–7.5
Adult size0.8 in1.5 in
Minimum tank5 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for ember tetras

All ember tetra tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can ember tetras live with glowlight tetras?

Yes, ember tetras and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 10 gal.

What temperature suits both ember tetras and glowlight tetras?

74–80 °F. Ember tetras need 73–84 °F, glowlight tetras need 74–80 °F.

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

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