Can crayfish live with african dwarf frogs?

Verdict
Yes

Yes, crayfish and african dwarf frogs can live together. Both are fine at 72–77°F. Plan on at least 20 gal.

CrayfishCrayfish65–77°F · pH 6.5–8 African dwarf frogAfrican dwarf frog72–82°F · pH 6.5–7.8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Crayfish 65–77°African dwarf frog 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.8Crayfish 6.5–8African dwarf frog 6.5–7.8
The green band is the pH both tolerate.

Size to scale

Crayfish · 5 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

CrayfishAfrican dwarf frog
Temperature65–77 °F72–82 °F
pH6.5–86.5–7.8
Adult size5.0 in2.5 in
Minimum tank20 gal10 gal
TemperamentAggressivePeaceful
Swims atBottomBottom
GroupOne per tankGroups of 2+
DietOmnivoreCarnivore

Better tank mates for crayfish

All crayfish tank mates

Better tank mates for african dwarf frogs

All african dwarf frog tank mates

Questions

Can crayfish live with african dwarf frogs?

Yes, crayfish and african dwarf frogs can live together. Both are fine at 72–77°F. Plan on at least 20 gal.

What temperature suits both crayfish and african dwarf frogs?

72–77 °F. Crayfish need 65–77 °F, african dwarf frogs need 72–82 °F.

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

At least 20 gal, set by the crayfish. Add space for each extra fish.