Can bettas live with kribensis?

Verdict
Yes

Yes. Bettas and kribensis get along in the same tank. Both are fine at 76–80°F. Plan on at least 30 gal.

BettaBetta76–82°F · pH 6.5–7.5 KribensisKribensis75–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Betta · 2.5 inKribensis · 4 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

BettaKribensis
Temperature76–82 °F75–80 °F
pH6.5–7.56–7.5
Adult size2.5 in4.0 in
Minimum tank5 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopBottom
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can bettas live with kribensis?

Yes. Bettas and kribensis get along in the same tank. Both are fine at 76–80°F. Plan on at least 30 gal.

What temperature suits both bettas and kribensis?

76–80 °F. Bettas need 76–82 °F, kribensis need 75–80 °F.

What size tank do bettas and kribensis need together?

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