A school of fish moving together in just the right way is stunningly stealthy. A new study shows that seven fish sound like just one.

Researchers have a new way to turn fish scale waste into a tool for ridding water of a dye linked with potential health risks such as cancer.

Researchers have discovered why a fish group, considered "living fossils," has existed largely unchanged for tens of millions of years.

Researchers may have found two new species of lamprey, a boneless, jawless fish with eel-like bodies that date back over 350 million years.

Just like rings in trees, rings found in the tiny ear bones of fish can reveal clues about the effects of climate change.

New research identifies the cause of the muddy flavor that often comes with farmed fish. The main culprit is geosmin.

Hogfish can change color to camouflage themselves. New research clarifies how their light-sensitive skin works.

The erosion of layers of rock by rivers in the Appalachian Mountains generates biodiversity of freshwater fish species, a study suggests.

Diets rich in food from the ocean and freshwater sources can help address both nutritional and environmental challenges, researchers report.

As climate change warms the oceans at higher latitudes, it will impede the evolution of fish species, a new study suggests.