However, things can start to deteriorate when that same parasite increases in number. For example, copepods are small crustaceans that attach themselves to the gills and skin of fish. They don't ...

Since 2023, there has been a significant deterioration in the number of fish that are sorted out, according to a researcher.

Australian scientists have discovered an ancient freshwater fish fossil with its stomach contents remarkably preserved. In a ...

Scientists discovered a 15-million-year-old fish fossil, Ferruaspis brocksi. It has preserved stomach contents and visible ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

Researchers were able to examine the fish in great detail using a powerful microscope. See what they discovered.

Discovered in the McGraths Flat fossil site in New South Wales, Australia, the new fossil is a freshwater smelt belonging to the order Osmerifiromes, the first of its kind to be found in Australia.

This image captured by a Schmidt Ocean Institute remotely operate vehicle shows parasites had burrowed into the head of a fish in the South Atlantic. Schmidt Ocean Institute video screengrab A ...