Can serpae tetras live with pygmy corys?

Verdict
Yes

Yes, serpae tetras and pygmy corys can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

Why it works

Water side by side

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

Size to scale

Serpae tetra · 1.75 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

Serpae tetraPygmy cory
Temperature72–79 °F72–79 °F
pH6–7.56–7.5
Adult size1.75 in1.0 in
Minimum tank20 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for serpae tetras

All serpae tetra tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can serpae tetras live with pygmy corys?

Yes, serpae tetras and pygmy corys can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

What temperature suits both serpae tetras and pygmy corys?

72–79 °F. Serpae tetras need 72–79 °F, pygmy corys need 72–79 °F.

What size tank do serpae tetras and pygmy corys need together?

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