Fish are usually confined to water as their primary habitat, but a small group defies that rule in surprising ways. These ...

This is the first time a pond loach has been found in the Maritimes region. An invasive species of fish that can live out of water has been found lurking in Canada, experts warn. The Department of ...

Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth. If you were to drop a camera into one of Earth’s ...

Fish can indeed suffocate, despite living in water. Their gills, vital for extracting oxygen, require a constant flow of ...