Can kribensis live with hatchetfish?

Verdict
Yes

Yes. Kribensis and hatchetfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

Why it works

Water side by side

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

Size to scale

Kribensis · 4 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

KribensisHatchetfish
Temperature75–80 °F75–81 °F
pH6–7.55.5–7.5
Adult size4.0 in1.5 in
Minimum tank30 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 6+
DietOmnivoreCarnivore

Better tank mates for kribensis

All kribensis tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can kribensis live with hatchetfish?

Yes. Kribensis and hatchetfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and hatchetfish?

75–80 °F. Kribensis need 75–80 °F, hatchetfish need 75–81 °F.

What size tank do kribensis and hatchetfish need together?

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