Can congo tetras live with elephant nose fish?

Verdict
Yes

Yes, congo tetras and elephant nose fish can live together. Both are fine at 73–82°F. Plan on at least 55 gal.

Why it works

Water side by side

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

Size to scale

Congo tetra · 3 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

Congo tetraElephant nose fish
Temperature73–82 °F73–82 °F
pH6–7.56–7.5
Adult size3.0 in9.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can congo tetras live with elephant nose fish?

Yes, congo tetras and elephant nose fish can live together. Both are fine at 73–82°F. Plan on at least 55 gal.

What temperature suits both congo tetras and elephant nose fish?

73–82 °F. Congo tetras need 73–82 °F, elephant nose fish need 73–82 °F.

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

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