Can tiger barbs live with severums?

Verdict
Yes

Yes. Tiger barbs and severums get along in the same tank. Both are fine at 74–81°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–81°Tiger barb 72–81°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 6–7Tiger barb 6–7.5Severum 6–7
The green band is the pH both tolerate.

Size to scale

Tiger barb · 3 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

Tiger barbSeverum
Temperature72–81 °F74–84 °F
pH6–7.56–7
Adult size3.0 in8.0 in
Minimum tank30 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for severums

All severum tank mates

Questions

Can tiger barbs live with severums?

Yes. Tiger barbs and severums get along in the same tank. Both are fine at 74–81°F. Plan on at least 55 gal.

What temperature suits both tiger barbs and severums?

74–81 °F. Tiger barbs need 72–81 °F, severums need 74–84 °F.

What size tank do tiger barbs and severums need together?

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