Can elephant nose fish live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Elephant nose fish and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–82°F. Plan on at least 55 gal.

Elephant nose fishElephant nose fish73–82°F · pH 6–7.5 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Elephant nose fish 73–82°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Elephant nose fish 6–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Elephant nose fish · 9 inDwarf neon rainbowfish · 2.5 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 fishDwarf neon rainbowfish
Temperature73–82 °F75–82 °F
pH6–7.56.5–7.5
Adult size9.0 in2.5 in
Minimum tank55 gal20 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 dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can elephant nose fish live with dwarf neon rainbowfish?

Yes. Elephant nose fish and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–82°F. Plan on at least 55 gal.

What temperature suits both elephant nose fish and dwarf neon rainbowfish?

75–82 °F. Elephant nose fish need 73–82 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do elephant nose fish and dwarf neon rainbowfish need together?

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