Some of the most colorful sea animals that live beneath the waves are bright, beautiful ... and deadly A rainbow underwater Beneath the ocean’s surface lies a world bursting with color—far more ...

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 ...

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 ...

A fisherman in Minnesota has caught a sunfish with a rare genetic mutation that makes its skin golden. Terry Nelson was fishing for sunfish and crappies on Lindstrom Lake, in Chisago County, when he ...

Nature is harsh. But over time, animals can evolve to adapt to that harshness with stunning methods. Scientists have discovered a previously unknown visual system that may allow color vision in deep, ...

A simple backyard pond turned into a dazzling underwater world after adding tons of colorful fish. From shimmering golds to deep blues, the pond came alive in ways no one expected. This video shows ...

After scuba diving and shooting video at Tunnels Beach one day I had a tourist come up to me and say she saw a clownfish out on the reef while snorkeling. I responded back and said that we do not have ...

Illustration of the silver spinyfin (Diretmus argenteus)—the vertebrate with the highest number of opsin genes. Image: (Alexandra Viertler, University of Basel) A newly discovered visual system in ...

Similarities in how different organisms look can indicate a close evolutionary relationship. Conversely, great differences in appearance can suggest a very distant relationship, as in many adult ...