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

The annual killifish lives in regions with extreme drought. A research group at the University of Basel now reports in Science that the early embryogenesis of killifish diverges from that of other ...

Killifish sound much more vicious than they are. These tiny fish adapt and spread far in the wild but make beautiful fish for display in your home. Killifish is a group of around 1,270 species of ...

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 ...

Eggs of killifish species coveted by hobbyists are sent on to international markets from Brazil via airmail. International animal trafficking rings often cash in on global demand for smaller, ...

A small fish that lives fast and dies young has given biologists a rare look at one of evolution’s oldest bargains. In the ...

The annual killifish lives in regions with extreme drought. A research group at the University of Basel now reports in “Science” that the early embryogenesis of killifish diverges from that of other ...