Can pea puffers live with tiger barbs?

Verdict
Yes, with care

Yes, with care. Pea puffers and tiger barbs can share a tank, but watch one thing. Pea puffers are aggressive. Tiger barbs hold their own only in a big tank with places to hide.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–81°Pea puffer 74–82°Tiger barb 72–81°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pea puffer 7–8Tiger barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 inTiger barb · 3 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 pufferTiger barb
Temperature74–82 °F72–81 °F
pH7–86–7.5
Adult size1.0 in3.0 in
Minimum tank5 gal30 gal
TemperamentAggressiveSemi-aggressive
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 tiger barbs

All tiger barb tank mates

Questions

Can pea puffers live with tiger barbs?

Yes, with care. Pea puffers and tiger barbs can share a tank, but watch one thing. Pea puffers are aggressive. Tiger barbs hold their own only in a big tank with places to hide.

What temperature suits both pea puffers and tiger barbs?

74–81 °F. Pea puffers need 74–82 °F, tiger barbs need 72–81 °F.

What size tank do pea puffers and tiger barbs need together?

At least 30 gal, set by the tiger barb. Add space for each extra fish.