Deep-diving fish have a problem: The only light that penetrates their watery environment is blue and green hardly enough of a palette for flashy color patterns. Now, a new study reveals these fishes' ...

When fish suddenly change color, little photoreceptors embedded deep within their skin keep watch to ensure the color is just right, according to new research. For the first time, scientists have ...

Dominant males of an Indonesian species of fish turn black during periods of heightened aggression, scientists have discovered. Their blackened markings, which quickly emerge at the start of a ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford.View full profile Eleanor has an ...

A newly discovered visual system in deep-sea fish could allow them to discern predators from prey in the low-light conditions found at the bottom of the ocean, new research suggests. A team led by ...

In the dim light of dusk, the world appears gray. That's because we, like most vertebrates, have just on type of rod opsin, the light-sensitive pigment in our eyes that lets us see in low light.

Hogfish are the chameleons of the Atlantic Ocean, seamlessly changing their skin color depending on their environment. As if those morphing skills weren't impressive enough, these reef dwellers can ...

Despite the vast evolutionary gulf between humans and the three-spined stickleback fish, the two species have adopted a common genetic strategy to acquire the skin pigmentation that helps each species ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A fisherman in Minnesota has caught a sunfish with a rare genetic ...

The radiant plumage of flamingos wouldn’t be possible without their special diets. Neither would the color of salmon, or koi. The right food can even dye humans – especially babies. At a zoo I visited ...