Peaceful tanks look great, but they’re not always the most exciting. Some fish bring a lot more drama, and for hobbyists who ...

A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, Moema ...

An analysis of marine fossils from the Upper Miocene Chagres Formation in Panama, most belonging to the Myctophidae family, ...

Every day, millions of small-scale fishers set out to sea with simple gear and big purpose. Their work directly helps ...

A Bolivian killifish believed extinct, Moema claudiae, resurfaced in one vulnerable pond, revealing both a conservation win ...

An unusual type of fossilized fish can be found within the limestone of present-day Germany. The Late Jurassic era conditions ...

A small lizard with a wheat-colored tongue, Diploderma bifluviale, has been discovered and named a new species that's already ...

A new study out of the University of Michigan has found another way that the Earth’s warming climate is impacting the planet.

Nat Geo Explorer Zeb Hogan has spent decades asking the question. “I thought there would be a simple answer,” he now concedes, after recording a 661-pound stingray. “I was wrong.” Scientists tag and ...

Just off Africa’s western coast, there’s a small island known as Príncipe where strange screeches haunt the night. Not many people have heard the noises, which emanate from the old-growth forests on ...

Scientists studying the gilthead sea bream, a species widely farmed in Europe, discovered that even small doses of polystyrene microplastics can cause measurable genetic damage.

Dunkleosteus belonged to a group of ancient, armoured fish known as the placoderms. These fish lived during the Silurian and the Devonian periods - between 440 and 359 million years ago - and they ...