Can pea puffers live with pygmy corys?

Verdict
No

No. Pea puffers and pygmy corys should not share a tank. Pea puffers are aggressive and will bully peaceful pygmy corys.

Pea pufferPea puffer74–82°F · pH 7–8 Pygmy coryPygmy cory72–79°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–79°Pea puffer 74–82°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pea puffer 7–8Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 inPygmy cory · 1 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 pufferPygmy cory
Temperature74–82 °F72–79 °F
pH7–86–7.5
Adult size1.0 in1.0 in
Minimum tank5 gal10 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 pygmy corys

All pygmy cory tank mates

Questions

Can pea puffers live with pygmy corys?

No. Pea puffers and pygmy corys should not share a tank. Pea puffers are aggressive and will bully peaceful pygmy corys.

What temperature suits both pea puffers and pygmy corys?

74–79 °F. Pea puffers need 74–82 °F, pygmy corys need 72–79 °F.

What size tank do pea puffers and pygmy corys need together?

At least 10 gal, set by the pygmy cory. Add space for each extra fish.