Can oscars live with zebra danios?

Verdict
No

No. Oscars and zebra danios should not share a tank. An adult oscar eats fish that fit in its mouth, and at 2 inches zebra danios do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–77°Oscar 74–81°Zebra danio 65–77°
The green band is the temperature range both can live in.
456789Both: 6.5–8Oscar 6–8Zebra danio 6.5–8
The green band is the pH both tolerate.

Size to scale

Oscar · 12 inZebra danio · 2 in0"2"4"6"8"10"12"
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

OscarZebra danio
Temperature74–81 °F65–77 °F
pH6–86.5–8
Adult size12.0 in2.0 in
Minimum tank75 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleTop
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for oscars

All oscar tank mates

Better tank mates for zebra danios

All zebra danio tank mates

Questions

Can oscars live with zebra danios?

No. Oscars and zebra danios should not share a tank. An adult oscar eats fish that fit in its mouth, and at 2 inches zebra danios do.

What temperature suits both oscars and zebra danios?

74–77 °F. Oscars need 74–81 °F, zebra danios need 65–77 °F.

What size tank do oscars and zebra danios need together?

At least 75 gal, set by the oscar. Add space for each extra fish.