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 of ...

The lake sturgeon, with its sleek shape and rows of bony plates on its sides, looks ... of whisker-like organs that dangle near their mouths. These organs, called barbels, help the fish to locate ...

A newly discovered golden cave fish in southwestern China is giving scientists an unprecedented look at evolution in ... that cave windows—gaps in the rock that allow daylight to filter through ...

Discovered in Australia, the fossils represent a new species that lived during the Miocene epoch and highlight how iron-rich ...

In the cold, dark depths of the Atlantic, Indian and Pacific Oceans − between 1,970 to 3,940 feet deep − the blobfish looks quite different, more like a "normal" fish, in fact. Scientist ...