Can pearl gouramis live with severums?

Verdict
Yes

Yes. Pearl gouramis and severums get along in the same tank. Both are fine at 77–82°F. Plan on at least 55 gal.

Pearl gouramiPearl gourami77–82°F · pH 6–7.5 SeverumSeverum74–84°F · pH 6–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Pearl gourami 77–82°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 6–7Pearl gourami 6–7.5Severum 6–7
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 5 inSeverum · 8 in0"1"2"3"4"5"6"7"8"
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

Pearl gouramiSeverum
Temperature77–82 °F74–84 °F
pH6–7.56–7
Adult size5.0 in8.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for severums

All severum tank mates

Questions

Can pearl gouramis live with severums?

Yes. Pearl gouramis and severums get along in the same tank. Both are fine at 77–82°F. Plan on at least 55 gal.

What temperature suits both pearl gouramis and severums?

77–82 °F. Pearl gouramis need 77–82 °F, severums need 74–84 °F.

What size tank do pearl gouramis and severums need together?

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