Can zebra danios live with fancy goldfish?

Verdict
Yes

Yes, zebra danios and fancy goldfish can live together. Both are fine at 65–74°F. Plan on at least 30 gal.

Zebra danioZebra danio65–77°F · pH 6.5–8 Fancy goldfishFancy goldfish65–74°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 65–74°Zebra danio 65–77°Fancy goldfish 65–74°
The green band is the temperature range both can live in.
456789Both: 7–8Zebra danio 6.5–8Fancy goldfish 7–8
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 inFancy goldfish · 6 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

Zebra danioFancy goldfish
Temperature65–77 °F65–74 °F
pH6.5–87–8
Adult size2.0 in6.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopAll levels
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Questions

Can zebra danios live with fancy goldfish?

Yes, zebra danios and fancy goldfish can live together. Both are fine at 65–74°F. Plan on at least 30 gal.

What temperature suits both zebra danios and fancy goldfish?

65–74 °F. Zebra danios need 65–77 °F, fancy goldfish need 65–74 °F.

What size tank do zebra danios and fancy goldfish need together?

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