Can glowlight tetras live with hatchetfish?

Verdict
Yes

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

Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5 HatchetfishHatchetfish75–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Glowlight tetra 74–80°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Glowlight tetra 6–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Glowlight tetra · 1.5 inHatchetfish · 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

Glowlight tetraHatchetfish
Temperature74–80 °F75–81 °F
pH6–7.55.5–7.5
Adult size1.5 in1.5 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can glowlight tetras live with hatchetfish?

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

What temperature suits both glowlight tetras and hatchetfish?

75–80 °F. Glowlight tetras need 74–80 °F, hatchetfish need 75–81 °F.

What size tank do glowlight tetras and hatchetfish need together?

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