Can serpae tetras live with blue gouramis?

Verdict
Yes

Yes, serpae tetras and blue gouramis can live together. Both are fine at 72–79°F. Plan on at least 30 gal.

Serpae tetraSerpae tetra72–79°F · pH 6–7.5 Blue gouramiBlue gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Serpae tetra 72–79°Blue gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Serpae tetra 6–7.5Blue gourami 6–8
The green band is the pH both tolerate.

Size to scale

Serpae tetra · 1.75 inBlue gourami · 5 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 tetraBlue gourami
Temperature72–79 °F72–82 °F
pH6–7.56–8
Adult size1.75 in5.0 in
Minimum tank20 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for serpae tetras

All serpae tetra tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can serpae tetras live with blue gouramis?

Yes, serpae tetras and blue gouramis can live together. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both serpae tetras and blue gouramis?

72–79 °F. Serpae tetras need 72–79 °F, blue gouramis need 72–82 °F.

What size tank do serpae tetras and blue gouramis need together?

At least 30 gal, set by the blue gourami. Add space for each extra fish.