This is a preview. Log in through your library . Abstract The morphology of fish gills is closely linked to aerobic capacity and tolerance of environmental stressors such as hypoxia. The importance of ...

When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...

Scientists have traced the evolutionary origin of humans' outer ears to the gills of ancient fish through a series of gene-editing experiments. When you purchase through links on our site, we may earn ...

It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear has its evolutionary roots in the gills of ancient fish. This surprising ...