A critically endangered new species of killifish sampled from an ancient forest in Kenya in 2017 and 2018 has been described ...

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 ...

At nearly 4 inches long, the fish are now revealed to be a new species of giant killifish, an “extraordinary” group known to inhabit temporary aquatic environments that dry out as the seasons ...