Can elephant nose fish live with hatchetfish?

Verdict
No

No. Elephant nose fish and hatchetfish should not share a tank. At 9 inches an elephant nose fish can swallow a 1.5-inch hatchetfish whole.

Elephant nose fishElephant nose fish73–82°F · pH 6–7.5 HatchetfishHatchetfish75–81°F · pH 5.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Elephant nose fish 73–82°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Elephant nose fish 6–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Elephant nose fish · 9 inHatchetfish · 1.5 in0"1"2"3"4"5"6"7"8"9"
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

Elephant nose fishHatchetfish
Temperature73–82 °F75–81 °F
pH6–7.55.5–7.5
Adult size9.0 in1.5 in
Minimum tank55 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 6+
DietCarnivoreCarnivore

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can elephant nose fish live with hatchetfish?

No. Elephant nose fish and hatchetfish should not share a tank. At 9 inches an elephant nose fish can swallow a 1.5-inch hatchetfish whole.

What temperature suits both elephant nose fish and hatchetfish?

75–81 °F. Elephant nose fish need 73–82 °F, hatchetfish need 75–81 °F.

What size tank do elephant nose fish and hatchetfish need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.