New research has uncovered a surprising feature on the fins of sculpins, potentially aiding their ability to grip their surroundings.

"This work not only enhances our understanding of deep-sea biodiversity but also illustrates the resilience and creativity of evolution."

A new discovery suggests the evolution of ray-finned fish brains is far more complex than previously believed.

New research dives into the evolution of anglerfish with a focus on the development of their unique (and somewhat unsettling) mating routine.

A giant prehistoric salmon, the largest to ever exist, had spiky tusk-like teeth that protruded straight out of the side of its skull.

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.