Can bristlenose plecos live with glowlight tetras?

Verdict
Yes

Yes. Bristlenose plecos and glowlight tetras make a good pair. Both are fine at 74–80°F. Plan on at least 30 gal.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 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°Bristlenose pleco 73–81°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 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

Bristlenose plecoGlowlight tetra
Temperature73–81 °F74–80 °F
pH6.5–7.56–7.5
Adult size5.0 in1.5 in
Minimum tank30 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can bristlenose plecos live with glowlight tetras?

Yes. Bristlenose plecos and glowlight tetras make a good pair. Both are fine at 74–80°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and glowlight tetras?

74–80 °F. Bristlenose plecos need 73–81 °F, glowlight tetras need 74–80 °F.

What size tank do bristlenose plecos and glowlight tetras need together?

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.