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 ...

Killifish biology has long intrigued fish enthusiasts and scientists. But human encroachment, habitat loss and climate change are dwindling killifish populations in the wild. Thankfully, collection ...

The annual killifish lives in regions with extreme drought. A research group now reports that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body ...

(CN) - The tiny Gulf killifish has adapted to killer toxins in the Houston Ship Channel in Texas, thanks to a genetic variation and a bit of luck, according to a new study. “Our data show that some of ...

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 ...

Atlantic killifish contributed key adaptive genetic variation to the Gulf killifish, which amounted to an evolutionary rescue from toxic pollutants. (Andrew Whitehead/UC Davis) The combination of a ...

By midlife, an animal's everyday behaviors can signal how long it is likely to live. That is the striking conclusion of a new study in which researchers put scores of short-lived fish under continuous ...