New simulation suggests millions of undiscovered terrestrial species, revealing hidden patterns in biodiversity and animal ...

Across the globe, 1,851 species of fish — 21 percent of all fish species evaluated ... they're estimated to account for about 97 percent of the total species of animals on Earth [9]. Of the 1.3 ...

A total of 866 new marine species have been discovered in just 16 months by the Nippon Foundation–Nekton Ocean Census as they embark on the world's most extensive mission to discover ocean life.

The World's Forgotten Fishes report is a celebration of freshwater fishes – and it’s a call to action too. Rivers, lakes and wetlands are among the most biodiverse places on earth. They cover less ...

At the base of the Grand Teton Mountain range, a new fish species tinged with green was identified as separate from its blue brethren.

We can then compare between different groups and taxonomic ranks to give us a total species estimate.” At the moment, most papers estimate that there are around 5–10 million species on Earth, ...

Climate change and invasive species will reduce habitat space for native fish and increase harmful interactions.

Editor’s Note: Call to Earth ... species, including countless cichlids, are either critically endangered or extinct. But for some species, there is still hope. A community of rare fish ...