Can apistogramma live with pygmy corys?

Verdict
Yes

Yes. Apistogramma and pygmy corys get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

ApistogrammaApistogramma75–84°F · pH 5–7 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Apistogramma 75–84°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Apistogramma 5–7Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Apistogramma · 3 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

ApistogrammaPygmy cory
Temperature75–84 °F72–79 °F
pH5–76–7.5
Adult size3.0 in1.0 in
Minimum tank20 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can apistogramma live with pygmy corys?

Yes. Apistogramma and pygmy corys get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both apistogramma and pygmy corys?

75–79 °F. Apistogramma need 75–84 °F, pygmy corys need 72–79 °F.

What size tank do apistogramma and pygmy corys need together?

At least 20 gal, set by the apistogramma. Add space for each extra fish.