Very little” is known about the cave systems where the new species was found or the other creatures living there, researchers ...

Published May 2 | Read More | In a remote river in northern Brazil, scientists discovered a new fish species named ...

The “extraordinary” new species has adaptations that allow it to survive in temporary bodies of water that dry out completely ...

Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

During their visit, researchers caught three “distinctive”-looking fish and, after taking a closer look, realized they’d ...

The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

Researchers discovered the two new species in isolated populations ... Typically, descriptions of new fish species require longer format articles. In this case, a single study in a short-format ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

A pattern began to emerge: the Niari River fish were subtly but consistently different from other known species. Researchers realized they’d discovered a new species — Labeo niariensis, or the Niari ...

The status of eight fish on the list remains unchanged, and only two—the gilt darter and silver chub—are classified as ...

Two new species of small fish were discovered in creeks outside the Birmingham metropolitan area in Alabama, according to a new study. Photo from Fouad Abou-Rizk “Brilliantly” colored fish caught in ...