Can glowlight tetras live with zebra loaches?

Verdict
Yes

Yes. Glowlight tetras and zebra loaches get along in the same tank. Both are fine at 74–79°F. Plan on at least 30 gal.

Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5 Zebra loachZebra loach73–79°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°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Glowlight tetra 6–7.5Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Glowlight tetra · 1.5 inZebra loach · 3.5 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 tetraZebra loach
Temperature74–80 °F73–79 °F
pH6–7.56–7.5
Adult size1.5 in3.5 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can glowlight tetras live with zebra loaches?

Yes. Glowlight tetras and zebra loaches get along in the same tank. Both are fine at 74–79°F. Plan on at least 30 gal.

What temperature suits both glowlight tetras and zebra loaches?

74–79 °F. Glowlight tetras need 74–80 °F, zebra loaches need 73–79 °F.

What size tank do glowlight tetras and zebra loaches need together?

At least 30 gal, set by the zebra loach. Add space for each extra fish.