Can fancy goldfish live with african dwarf frogs?

Verdict
No

No. Fancy goldfish and african dwarf frogs should not share a tank. Fancy goldfish are coldwater animals (65–74°F); african dwarf frogs need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

Fancy goldfishFancy goldfish65–74°F · pH 7–8 African dwarf frogAfrican dwarf frog72–82°F · pH 6.5–7.8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–74°Fancy goldfish 65–74°African dwarf frog 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.8Fancy goldfish 7–8African dwarf frog 6.5–7.8
The green band is the pH both tolerate.

Size to scale

Fancy goldfish · 6 inAfrican dwarf frog · 2.5 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

Fancy goldfishAfrican dwarf frog
Temperature65–74 °F72–82 °F
pH7–86.5–7.8
Adult size6.0 in2.5 in
Minimum tank30 gal10 gal
TemperamentPeacefulPeaceful
Swims atAll levelsBottom
GroupAlone or in pairsGroups of 2+
DietOmnivoreCarnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for african dwarf frogs

All african dwarf frog tank mates

Questions

Can fancy goldfish live with african dwarf frogs?

No. Fancy goldfish and african dwarf frogs should not share a tank. Fancy goldfish are coldwater animals (65–74°F); african dwarf frogs need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both fancy goldfish and african dwarf frogs?

72–74 °F. Fancy goldfish need 65–74 °F, african dwarf frogs need 72–82 °F.

What size tank do fancy goldfish and african dwarf frogs need together?

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