Can pea puffers live with ember tetras?

Verdict
No

No. Pea puffers and ember tetras should not share a tank. Pea puffers are aggressive and will bully peaceful ember tetras.

Pea pufferPea puffer74–82°F · pH 7–8 Ember tetraEmber tetra73–84°F · pH 5.5–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–82°Pea puffer 74–82°Ember tetra 73–84°
The green band is the temperature range both can live in.
456789Both: 7Pea puffer 7–8Ember tetra 5.5–7
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 inEmber tetra · 0.8 in0"1"2"3"4"5"6"
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 pufferEmber tetra
Temperature74–82 °F73–84 °F
pH7–85.5–7
Adult size1.0 in0.8 in
Minimum tank5 gal5 gal
TemperamentAggressivePeaceful
Swims atAll levelsMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for ember tetras

All ember tetra tank mates

Questions

Can pea puffers live with ember tetras?

No. Pea puffers and ember tetras should not share a tank. Pea puffers are aggressive and will bully peaceful ember tetras.

What temperature suits both pea puffers and ember tetras?

74–82 °F. Pea puffers need 74–82 °F, ember tetras need 73–84 °F.

What size tank do pea puffers and ember tetras need together?

At least 5 gal, set by the pea puffer. Add space for each extra fish.