Can bettas live with severums?

Verdict
Yes, with care

Yes, with care. Bettas and severums can share a tank, but watch one thing. Severums are much bigger and pushier than bettas, which are slow and easy to bully at feeding time.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Betta 76–82°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 6.5–7Betta 6.5–7.5Severum 6–7
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 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

BettaSeverum
Temperature76–82 °F74–84 °F
pH6.5–7.56–7
Adult size2.5 in8.0 in
Minimum tank5 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopMiddle
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for severums

All severum tank mates

Questions

Can bettas live with severums?

Yes, with care. Bettas and severums can share a tank, but watch one thing. Severums are much bigger and pushier than bettas, which are slow and easy to bully at feeding time.

What temperature suits both bettas and severums?

76–82 °F. Bettas need 76–82 °F, severums need 74–84 °F.

What size tank do bettas and severums need together?

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