Can zebra danios live with hatchetfish?

Verdict
Yes

Yes, zebra danios and hatchetfish can live together. Both are fine at 75–77°F. Plan on at least 20 gal.

Zebra danioZebra danio65–77°F · pH 6.5–8 HatchetfishHatchetfish75–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–77°Zebra danio 65–77°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Zebra danio 6.5–8Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 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

Zebra danioHatchetfish
Temperature65–77 °F75–81 °F
pH6.5–85.5–7.5
Adult size2.0 in1.5 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopTop
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can zebra danios live with hatchetfish?

Yes, zebra danios and hatchetfish can live together. Both are fine at 75–77°F. Plan on at least 20 gal.

What temperature suits both zebra danios and hatchetfish?

75–77 °F. Zebra danios need 65–77 °F, hatchetfish need 75–81 °F.

What size tank do zebra danios and hatchetfish need together?

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