Can rams live with pygmy corys?

Verdict
No

No. Rams and pygmy corys should not share a tank. No shared temperature. Rams need 80–86°F, pygmy corys need 72–79°F.

German blue ramGerman blue ram80–86°F · pH 5–7 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°German blue ram 80–86°Pygmy cory 72–79°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6–7German blue ram 5–7Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

German blue ram · 2.5 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

German blue ramPygmy cory
Temperature80–86 °F72–79 °F
pH5–76–7.5
Adult size2.5 in1.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can rams live with pygmy corys?

No. Rams and pygmy corys should not share a tank. No shared temperature. Rams need 80–86°F, pygmy corys need 72–79°F.

What temperature suits both rams and pygmy corys?

None. Rams need 80–86 °F and pygmy corys need 72–79 °F, so the ranges do not meet.

What size tank do rams and pygmy corys need together?

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