Can pea puffers live with elephant nose fish?

Verdict
No

No. Pea puffers and elephant nose fish should not share a tank. At 9 inches an elephant nose fish can swallow a 1-inch pea puffer whole.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–82°Pea puffer 74–82°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pea puffer 7–8Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 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

Pea pufferElephant nose fish
Temperature74–82 °F73–82 °F
pH7–86–7.5
Adult size1.0 in9.0 in
Minimum tank5 gal55 gal
TemperamentAggressiveSemi-aggressive
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreCarnivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can pea puffers live with elephant nose fish?

No. Pea puffers and elephant nose fish should not share a tank. At 9 inches an elephant nose fish can swallow a 1-inch pea puffer whole.

What temperature suits both pea puffers and elephant nose fish?

74–82 °F. Pea puffers need 74–82 °F, elephant nose fish need 73–82 °F.

What size tank do pea puffers and elephant nose fish need together?

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