Researchers believe the fossils belonged to one of the species of the Osmeriformes family, ancestors to modern graylings and ...

A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

“The discovery of the 15 million-year-old freshwater fish fossil offers us an unprecedented opportunity to understand ...

Adorable footage of one of the world’s rarest and most unusual ocean creatures has left thousands of Aussies swooning. In the ...

Evolving roughly 27 different times in the long history of fish, bioluminescence -- the biological production of light -- is one of the flashier survival tools used for luring prey, communication, and ...

But for some species, there is still hope. A community of rare fish enthusiasts collect endangered species of freshwater fish from the lakes and springs of East Africa, Mexico and elsewhere ...