Can hatchetfish live with glofish?

Verdict
Yes

Yes. Hatchetfish and glofish get along in the same tank. Both are fine at 75–80°F. Plan on at least 20 gal.

HatchetfishHatchetfish75–81°F · pH 5.5–7.5 GloFish tetraGloFish tetra72–80°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Hatchetfish 75–81°GloFish tetra 72–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Hatchetfish 5.5–7.5GloFish tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Hatchetfish · 1.5 inGloFish tetra · 2.5 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

HatchetfishGloFish tetra
Temperature75–81 °F72–80 °F
pH5.5–7.56–7.5
Adult size1.5 in2.5 in
Minimum tank20 gal15 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupGroups of 6+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for hatchetfish

All hatchetfish tank mates

Better tank mates for glofish

All glofish tetra tank mates

Questions

Can hatchetfish live with glofish?

Yes. Hatchetfish and glofish get along in the same tank. Both are fine at 75–80°F. Plan on at least 20 gal.

What temperature suits both hatchetfish and glofish?

75–80 °F. Hatchetfish need 75–81 °F, glofish need 72–80 °F.

What size tank do hatchetfish and glofish need together?

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