When Lorian E. Schweikert, Ph.D., reeled in a hogfish on a fishing trip to the Florida Keys, she noticed something strange after setting it down on the deck of the boat. Hogfish are known for their ...

Add Yahoo as a preferred source to see more of our stories on Google. A male celebes medaka with black markings starting to appear towards the end of its tail. Dominant males of an Indonesian species ...

Scientists have discovered that female guppies choose males with uncommon color patterns to drive the evolution of their ...

Visual signals, such as color patterns are an important communication medium for anemonefish. Researchers from Okinawa Institute of Science and Technology have recently elucidated how the patterns on ...

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 ...

We’ve long marveled at color-changing critters like squid, chameleons, cuttlefish, and others as they flash brilliant hues. Animals across species possess this ability for a suite of reasons, ...

Fish colors are produced through specialized cells called chromatophores. These cells contain pigments such as carotenoids (reds, oranges, yellows), melanins (blacks, browns), and structural colors ...

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 ...

We see color because photoreceptor cones in our eyes detect light waves corresponding to red, green, and blue, while dimness or brightness is detected by photoreceptor rods. Many non-mammalian ...

Bright, colourful fish can instantly transform an aquarium into a lively and eye-catching space. It is no surprise that many fish keepers look for ways to make their pets look even more vibrant. One ...

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 ...