Can ghost shrimp live with killifish?

Verdict
Yes, with care

Yes, with care. Ghost shrimp and killifish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 70–77°Ghost shrimp 65–82°Killifish 70–77°
The green band is the temperature range both can live in.
456789Both: 7Ghost shrimp 7–8Killifish 5.5–7
The green band is the pH both tolerate.

Size to scale

Ghost shrimp · 1.5 inKillifish · 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

Ghost shrimpKillifish
Temperature65–82 °F70–77 °F
pH7–85.5–7
Adult size1.5 in2.5 in
Minimum tank5 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 3+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for ghost shrimp

All ghost shrimp tank mates

Better tank mates for killifish

All killifish tank mates

Questions

Can ghost shrimp live with killifish?

Yes, with care. Ghost shrimp and killifish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both ghost shrimp and killifish?

70–77 °F. Ghost shrimp need 65–82 °F, killifish need 70–77 °F.

What size tank do ghost shrimp and killifish need together?

At least 10 gal, set by the killifish. Add space for each extra fish.