Can bettas live with elephant nose fish?

Verdict
Yes

Yes, bettas and elephant nose fish can live together. Both are fine at 76–82°F. Plan on at least 55 gal.

BettaBetta76–82°F · pH 6.5–7.5 Elephant nose fishElephant nose fish73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Betta 76–82°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inElephant nose fish · 9 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

BettaElephant nose fish
Temperature76–82 °F73–82 °F
pH6.5–7.56–7.5
Adult size2.5 in9.0 in
Minimum tank5 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopBottom
GroupOne per tankAlone or in pairs
DietCarnivoreCarnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can bettas live with elephant nose fish?

Yes, bettas and elephant nose fish can live together. Both are fine at 76–82°F. Plan on at least 55 gal.

What temperature suits both bettas and elephant nose fish?

76–82 °F. Bettas need 76–82 °F, elephant nose fish need 73–82 °F.

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

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