Can gold barbs live with glowlight tetras?

Verdict
Yes, with care

Yes, with care. Gold barbs and glowlight tetras can share a tank, but watch one thing. They only share 74–75°F. Keep the heater set there and steady.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–75°Gold barb 64–75°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Gold barb 6–8Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Gold barb · 3 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

Gold barbGlowlight tetra
Temperature64–75 °F74–80 °F
pH6–86–7.5
Adult size3.0 in1.5 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for gold barbs

All gold barb tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can gold barbs live with glowlight tetras?

Yes, with care. Gold barbs and glowlight tetras can share a tank, but watch one thing. They only share 74–75°F. Keep the heater set there and steady.

What temperature suits both gold barbs and glowlight tetras?

74–75 °F. Gold barbs need 64–75 °F, glowlight tetras need 74–80 °F.

What size tank do gold barbs and glowlight tetras need together?

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