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 ...

YouTuber Anthony Potero and Talia Schulhof founded Pufferfish as creators demand greater control over their work with advertisers.

The iconic, armored, 14-foot-long Dunkleosteus was something of an "evolutionary oddball,” a new study has revealed.

About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

In fact, Dunkleosteus was unlike most fish alive in its time, too. That’s according to a new study that’s the first in nearly a century to take a proper look at the species. Discovered in the 1860s, ...