A critically endangered new species of killifish sampled from an ancient forest in Kenya in 2017 and 2018 has now been described. Nothobranchius sylvaticus, from the Latin meaning 'pertaining to the ...

According to a new study, a new species of killifish, Nothobranchius sylvaticus, has been found in seasonal swamps in the ephemeral marshes of Kenya’s historic Gongoni Forest at the coast. Scientists ...

The African turquoise killifish lives in ephemeral ponds in Zimbabwe and Mozambique. To survive the annual dry season, the fish’s embryos enter a state of extreme suspended animation or “diapause” for ...

The new killifish species was discovered in the temporary wetlands of Chaco National Park, researchers said. Photo by Alonso et al. (2025) While surveying the seasonal wetlands of Argentina’s Chaco ...

Ranging in size from about 2 to 6 inches, the killifish are ideal for evolutionary studies because they are highly adaptable to their surroundings. Some types of killifish are even known to be ...