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 ...

Without a mirror, it can be hard to tell if you're blushing, or have spinach in your teeth. But one color-changing fish has evolved a clever way to keep watch on the parts of itself that lie outside ...

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 ...

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 ...

DURHAM, N.C. -- A few years ago while on a fishing trip in the Florida Keys, biologist Lori Schweikert came face to face with an unusual quick-change act. She reeled in a pointy-snouted reef fish ...

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 ...

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 ...

Astyanax mexicanus cave fish have adapted to an incredibly tough environment: chilly, pitch-dark caves that flood about once a year, providing brief feasts separated by long periods of starvation.

Marco Vito Oddo is a writer, journalist, and amateur game designer. Passionate about superhero comic books, horror films, and indie games, he formally worked as a Senior Writer for Collider. When he's ...