Can bettas live with zebra danios?

Verdict
Yes, with care

Yes, with care. Bettas and zebra danios can share a tank, but watch one thing. They only share 76–77°F. Keep the heater set there and steady.

BettaBetta76–82°F · pH 6.5–7.5 Zebra danioZebra danio65–77°F · pH 6.5–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–77°Betta 76–82°Zebra danio 65–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Zebra danio 6.5–8
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inZebra danio · 2 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

BettaZebra danio
Temperature76–82 °F65–77 °F
pH6.5–7.56.5–8
Adult size2.5 in2.0 in
Minimum tank5 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atTopTop
GroupOne per tankGroups of 6+
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for zebra danios

All zebra danio tank mates

Questions

Can bettas live with zebra danios?

Yes, with care. Bettas and zebra danios can share a tank, but watch one thing. They only share 76–77°F. Keep the heater set there and steady.

What temperature suits both bettas and zebra danios?

76–77 °F. Bettas need 76–82 °F, zebra danios need 65–77 °F.

What size tank do bettas and zebra danios need together?

At least 10 gal, set by the zebra danio. Add space for each extra fish.