From Willem Dafoe's Gil to Ellen DeGeneres' Dory, we rank the best characters from the Pixar movie Finding Nemo.

And when they put horseshoe crab enhancers into zebrafish, they saw activity in the fish’s gills, suggesting this genetic blueprint emerged before vertebrates and invertebrates split ...

Scientists have traced the evolutionary origin of humans' outer ears to the gills of ancient fish through a series of gene-editing experiments.

After being swallowed alive, Japanese eels were able to escape from a predator fish’s stomach and swim to freedom through the fish’s gills, new research shows.

Some teenage Japanese eels have found a way to avoid becoming a fish’s next meal. Anguilla japonica eels can escape a predator’s stomach through the fish’s gills. Now, scientists are using X ...

Scientists have traced the evolutionary origin of humans' outer ears to the gills of ancient fish through a series of gene-editing experiments.