Can corydoras live with serpae tetras?

Verdict
Yes

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

CorydorasCorydoras72–79°F · pH 6–7.8 Serpae tetraSerpae tetra72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Corydoras 72–79°Serpae tetra 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Corydoras 6–7.8Serpae tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 inSerpae tetra · 1.75 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

CorydorasSerpae tetra
Temperature72–79 °F72–79 °F
pH6–7.86–7.5
Adult size2.5 in1.75 in
Minimum tank20 gal20 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for serpae tetras

All serpae tetra tank mates

Questions

Can corydoras live with serpae tetras?

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

What temperature suits both corydoras and serpae tetras?

72–79 °F. Corydoras need 72–79 °F, serpae tetras need 72–79 °F.

What size tank do corydoras and serpae tetras need together?

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