Can bettas live with pearl gouramis?

Verdict
No

No. Bettas and pearl gouramis should not share a tank. Bettas and pearl gouramis are both labyrinth fish and tend to fight over the surface.

BettaBetta76–82°F · pH 6.5–7.5 Pearl gouramiPearl gourami77–82°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Betta 76–82°Pearl gourami 77–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Pearl gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inPearl 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

BettaPearl gourami
Temperature76–82 °F77–82 °F
pH6.5–7.56–7.5
Adult size2.5 in5.0 in
Minimum tank5 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atTopTop
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for pearl gouramis

All pearl gourami tank mates

Questions

Can bettas live with pearl gouramis?

No. Bettas and pearl gouramis should not share a tank. Bettas and pearl gouramis are both labyrinth fish and tend to fight over the surface.

What temperature suits both bettas and pearl gouramis?

77–82 °F. Bettas need 76–82 °F, pearl gouramis need 77–82 °F.

What size tank do bettas and pearl gouramis need together?

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