Can kuhli loaches live with glowlight tetras?

Verdict
Yes

Yes, kuhli loaches and glowlight tetras can live together. Both are fine at 75–80°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°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: 75–80°Kuhli loach 75–86°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 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

Kuhli loachGlowlight tetra
Temperature75–86 °F74–80 °F
pH5.5–76–7.5
Adult size3.5 in1.5 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can kuhli loaches live with glowlight tetras?

Yes, kuhli loaches and glowlight tetras can live together. Both are fine at 75–80°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and glowlight tetras?

75–80 °F. Kuhli loaches need 75–86 °F, glowlight tetras need 74–80 °F.

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

At least 20 gal, set by the kuhli loach. Add space for each extra fish.