Can oscars live with african dwarf frogs?

Verdict
No

No. Oscars and african dwarf frogs should not share a tank. An adult oscar eats fish that fit in its mouth, and at 2.5 inches african dwarf frogs do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–81°Oscar 74–81°African dwarf frog 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.8Oscar 6–8African dwarf frog 6.5–7.8
The green band is the pH both tolerate.

Size to scale

Oscar · 12 inAfrican dwarf frog · 2.5 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

OscarAfrican dwarf frog
Temperature74–81 °F72–82 °F
pH6–86.5–7.8
Adult size12.0 in2.5 in
Minimum tank75 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsGroups of 2+
DietCarnivoreCarnivore

Better tank mates for oscars

All oscar tank mates

Better tank mates for african dwarf frogs

All african dwarf frog tank mates

Questions

Can oscars live with african dwarf frogs?

No. Oscars and african dwarf frogs should not share a tank. An adult oscar eats fish that fit in its mouth, and at 2.5 inches african dwarf frogs do.

What temperature suits both oscars and african dwarf frogs?

74–81 °F. Oscars need 74–81 °F, african dwarf frogs need 72–82 °F.

What size tank do oscars and african dwarf frogs need together?

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