Dozens of Mayan cichlids are turning up dead, leaving fish keepers and anglers searching for answers. Once thriving in warm, ...

We dropped fish traps into a tunnel drain and pulled out some of the most colorful cichlids I’ve ever seen.

How did the complexity of many organisms living today evolve from the simpler body plans of their ancestors? This is a central question in biology. Take our hands, for example: Every time we type a ...

To distinguish between the top and the bottom side of our limbs, nature “redeployed” ancient genes from the midline fins of fish. This is the ...

On a March morning in the suburbs of Thiruvananthapuram, Kerala state’s capital in southern India, a group of fishers were ...

Learn how an ancient fish gene was repurposed to shape the anatomy of human hands.

Thai farmers demand action to restore ecosystems, compensate for invasive fish ...