Can fancy goldfish live with elephant nose fish?

Verdict
No

No. Fancy goldfish and elephant nose fish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); elephant nose fish need 73–82°F. They overlap only at 73–74°F, the edge of both ranges.

Fancy goldfishFancy goldfish65–74°F · pH 7–8 Elephant nose fishElephant nose fish73–82°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–74°Fancy goldfish 65–74°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Fancy goldfish 7–8Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Fancy goldfish · 6 inElephant nose fish · 9 in0"1"2"3"4"5"6"7"8"9"
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

Fancy goldfishElephant nose fish
Temperature65–74 °F73–82 °F
pH7–86–7.5
Adult size6.0 in9.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreCarnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can fancy goldfish live with elephant nose fish?

No. Fancy goldfish and elephant nose fish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); elephant nose fish need 73–82°F. They overlap only at 73–74°F, the edge of both ranges.

What temperature suits both fancy goldfish and elephant nose fish?

73–74 °F. Fancy goldfish need 65–74 °F, elephant nose fish need 73–82 °F.

What size tank do fancy goldfish and elephant nose fish need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.