It’s an extraordinary fact: 51% of all known species of fish live in freshwater - 18,075 species. And more are being discovered all the time. But few people have any idea of the unimaginable diversity ...

The giant freshwater stingray may be the world’s largest freshwater fish. It’s also cloaked in mystery. No one is sure how many giant stingrays are left, which habitats they prefer ...

A fossil discovered near Gulgong in New South Wales, Australia, has offered researchers a detailed look into themelanosomes ...

The discovery of new fish species that inhabited Australia's freshwater lakes and rivers 15 million years ago provides ...