Two species of small, deep-dwelling fish called pearlsides possess eye cells that break the rules of vertebrate vision, combining features of rods and cones into a single hybrid photoreceptor never ...

A team of scientists has revealed a previously unknown type of visual cell in deep-sea fish larvae, an unexpected finding that reshapes more than 150 years of scientific thinking about vertebrate ...

Researchers recorded more than 1,000 fish sounds in Barkley Sound, an inslet on the coast of Vancouver Island in British ...

But brook trout, after expanding to new streams, face stiffer competition as warming threats worsen.

Have you ever wished you could swim like a fish? How about speak like one? In a paper recently published in the Journal of ...

Some deep-sea fish may be able to see light in a different way from most other vertebrates, according to a new study. The ...

There's a silent change taking place beneath the surface of many lakes in the United States. New generations of fish are growing smaller and weaker than their ancestors. Scientists claim this is a ...

For years, experts have warned about the destruction of coral reefs due to global warming and the acidification of our oceans. But in a time when bleached and sometimes dying reefs are becoming all ...