Can goldfish live with paradise fish?

Verdict
Yes

Yes. Goldfish and paradise fish make a good pair. Both are fine at 61–74°F. Plan on at least 40 gal.

GoldfishGoldfish60–74°F · pH 7–8 Paradise fishParadise fish61–79°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 61–74°Goldfish 60–74°Paradise fish 61–79°
The green band is the temperature range both can live in.
456789Both: 7–8Goldfish 7–8Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

Goldfish · 10 inParadise fish · 3.5 in0"2"4"6"8"10"
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

GoldfishParadise fish
Temperature60–74 °F61–79 °F
pH7–86–8
Adult size10.0 in3.5 in
Minimum tank40 gal20 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsTop
GroupAlone or in pairsOne per tank
DietOmnivoreOmnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can goldfish live with paradise fish?

Yes. Goldfish and paradise fish make a good pair. Both are fine at 61–74°F. Plan on at least 40 gal.

What temperature suits both goldfish and paradise fish?

61–74 °F. Goldfish need 60–74 °F, paradise fish need 61–79 °F.

What size tank do goldfish and paradise fish need together?

At least 40 gal, set by the goldfish. Add space for each extra fish.