Can elephant nose fish live with black neon tetras?

Verdict
No

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

Elephant nose fishElephant nose fish73–82°F · pH 6–7.5 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

What to watch

What works

Water side by side

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

Size to scale

Elephant nose fish · 9 inBlack neon tetra · 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 fishBlack neon tetra
Temperature73–82 °F73–81 °F
pH6–7.55.5–7.5
Adult size9.0 in1.5 in
Minimum tank55 gal15 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Better tank mates for black neon tetras

All black neon tetra tank mates

Questions

Can elephant nose fish live with black neon tetras?

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

What temperature suits both elephant nose fish and black neon tetras?

73–81 °F. Elephant nose fish need 73–82 °F, black neon tetras need 73–81 °F.

What size tank do elephant nose fish and black neon tetras need together?

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