Can rummy nose tetras live with elephant nose fish?

Verdict
Yes, with care

Yes, with care. Rummy nose tetras and elephant nose fish can share a tank, but watch one thing. A grown elephant nose fish may treat small rummy nose tetras as food, especially at night.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Rummy nose tetra 75–84°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6–7Rummy nose tetra 5.5–7Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 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

Rummy nose tetraElephant nose fish
Temperature75–84 °F73–82 °F
pH5.5–76–7.5
Adult size2.0 in9.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can rummy nose tetras live with elephant nose fish?

Yes, with care. Rummy nose tetras and elephant nose fish can share a tank, but watch one thing. A grown elephant nose fish may treat small rummy nose tetras as food, especially at night.

What temperature suits both rummy nose tetras and elephant nose fish?

75–82 °F. Rummy nose tetras need 75–84 °F, elephant nose fish need 73–82 °F.

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

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