What does killifish eat?

Killifish primarily feed on small invertebrates, such as insects, crustaceans, and zooplankton, as well as plant matter. In captivity, they can be fed a varied diet that includes high-quality flake foods, frozen or live foods like brine shrimp and daphnia, and even pellets designed for small fish. Their diet can vary depending on the specific species and their natural habitat.