Can rummy nose tetras live with kissing gouramis?

Verdict
Yes, with care

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

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Rummy nose tetra 75–84°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Rummy nose tetra 5.5–7Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 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

Rummy nose tetraKissing gourami
Temperature75–84 °F72–82 °F
pH5.5–76–8
Adult size2.0 in10.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can rummy nose tetras live with kissing gouramis?

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

What temperature suits both rummy nose tetras and kissing gouramis?

75–82 °F. Rummy nose tetras need 75–84 °F, kissing gouramis need 72–82 °F.

What size tank do rummy nose tetras and kissing gouramis need together?

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