Can pea puffers live with blue gouramis?

Verdict
Yes, with care

Yes, with care. Pea puffers and blue gouramis can share a tank, but watch one thing. At 5 inches a blue gourami can swallow a small pea puffer. Fast, alert fish usually stay out of reach.

What to watch

What works

Water side by side

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

Size to scale

Pea puffer · 1 inBlue gourami · 5 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 pufferBlue gourami
Temperature74–82 °F72–82 °F
pH7–86–8
Adult size1.0 in5.0 in
Minimum tank5 gal30 gal
TemperamentAggressiveSemi-aggressive
Swims atAll levelsTop
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can pea puffers live with blue gouramis?

Yes, with care. Pea puffers and blue gouramis can share a tank, but watch one thing. At 5 inches a blue gourami can swallow a small pea puffer. Fast, alert fish usually stay out of reach.

What temperature suits both pea puffers and blue gouramis?

74–82 °F. Pea puffers need 74–82 °F, blue gouramis need 72–82 °F.

What size tank do pea puffers and blue gouramis need together?

At least 30 gal, set by the blue gourami. Add space for each extra fish.