Can sparkling gouramis live with black skirt tetras?

Verdict
Yes

Yes. Sparkling gouramis and black skirt tetras get along in the same tank. Both are fine at 72–80°F. Plan on at least 15 gal.

Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5 Black skirt tetraBlack skirt tetra70–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Sparkling gourami · 1.5 inBlack skirt tetra · 2.5 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

Sparkling gouramiBlack skirt tetra
Temperature72–82 °F70–80 °F
pH6–7.56–7.5
Adult size1.5 in2.5 in
Minimum tank5 gal15 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupGroups of 4+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Questions

Can sparkling gouramis live with black skirt tetras?

Yes. Sparkling gouramis and black skirt tetras get along in the same tank. Both are fine at 72–80°F. Plan on at least 15 gal.

What temperature suits both sparkling gouramis and black skirt tetras?

72–80 °F. Sparkling gouramis need 72–82 °F, black skirt tetras need 70–80 °F.

What size tank do sparkling gouramis and black skirt tetras need together?

At least 15 gal, set by the black skirt tetra. Add space for each extra fish.