Can black neon tetras live with kissing gouramis?

Verdict
Yes, with care

Yes, with care. Black neon tetras and kissing gouramis can share a tank, but watch one thing. At 10 inches a kissing gourami can swallow a small black neon tetra. Fast, alert fish usually stay out of reach.

Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5 Kissing gouramiKissing gourami72–82°F · pH 6–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–81°Black neon tetra 73–81°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Black neon tetra 5.5–7.5Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Black neon tetra · 1.5 inKissing gourami · 10 in0"2"4"6"8"10"
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

Black neon tetraKissing gourami
Temperature73–81 °F72–82 °F
pH5.5–7.56–8
Adult size1.5 in10.0 in
Minimum tank15 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for black neon tetras

All black neon tetra tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can black neon tetras live with kissing gouramis?

Yes, with care. Black neon tetras and kissing gouramis can share a tank, but watch one thing. At 10 inches a kissing gourami can swallow a small black neon tetra. Fast, alert fish usually stay out of reach.

What temperature suits both black neon tetras and kissing gouramis?

73–81 °F. Black neon tetras need 73–81 °F, kissing gouramis need 72–82 °F.

What size tank do black neon tetras and kissing gouramis need together?

At least 55 gal, set by the kissing gourami. Add space for each extra fish.