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 ...

Striped marlin are some of the fastest animals on the planet and one of the ocean’s top predators. When hunting in groups, individual marlin will take turns attacking schools of prey fish one at a ...

Lorian Schweikert was fishing in the Florida Keys when she hooked a hogfish—a type of tasty wrasse that’s known for its ability to change colors to match its coral reef environment. Schweikert dropped ...

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 ...

WASHINGTON (Reuters) - While people and other vertebrates are color blind in dim light, some deep-sea fish may possess keen color vision to thrive in the near total darkness of their extreme ...

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 ...