They glide through the water with the serenity of age. Some were born before World War I, others during the Great Depression. In the shallows of Minnesota’s Rice Lake, the bigmouth buffalo fish ...

Water does end up going into freshwater fish’s mouths, but instead of swallowing it, the water is filtered out through the ...

This story appears in the April 2017 issue of National Geographic magazine. Hundreds of millions of people worldwide would lack their prime source of protein without freshwater fish. Yet the lakes ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, Ferruaspis brocksi, that shows preserved stomach contents as well as the pattern ...