Can pea puffers live with rams?

Verdict
Yes, with care

Yes, with care. Pea puffers and rams can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–82°Pea puffer 74–82°German blue ram 80–86°
The green band is the temperature range both can live in.
456789Both: 7Pea puffer 7–8German blue ram 5–7
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 inGerman blue ram · 2.5 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 pufferGerman blue ram
Temperature74–82 °F80–86 °F
pH7–85–7
Adult size1.0 in2.5 in
Minimum tank5 gal20 gal
TemperamentAggressivePeaceful
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for rams

All german blue ram tank mates

Questions

Can pea puffers live with rams?

Yes, with care. Pea puffers and rams can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both pea puffers and rams?

80–82 °F. Pea puffers need 74–82 °F, rams need 80–86 °F.

What size tank do pea puffers and rams need together?

At least 20 gal, set by the german blue ram. Add space for each extra fish.