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 ...

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 ...

A study has found that observing how actively fish move in their youth and when they sleep can help predict whether they will live a long life. Fish that frequently dozed during the day and had ...