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

The Mexican tetra lives in freshwater streams and pools from Mexico up into the southern United States. But these fish also live in cave systems in at least 29 separate places in Mexico, where they ...

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

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

In a study appearing in Fossil Record, researchers Martin Ebert and Martina Kölbl-Ebert analyzed the remains of a unique ...

This trapping mission heads straight into the untamed Everglades, where rare aquarium fish lurk in places most people never explore. The water looks calm, but every trap pull reveals something wild ...

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

Even if you’ve never owned a saltwater aquarium, it’s likely you’ve come across one before—perhaps at a restaurant or in your friend’s living room—with corals aglow and flamboyant fish flitting around ...