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 ...

Some fish change colors to blend in with their environment, but the stargazer fish has a different camouflaging technique. It goes from swimming to burying itself in the sand at the bottom of the ...

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological ...

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 ...

Among color-changing sea creatures, the ability to flash from one hue to another more typically comes in handy for evading predators rather than hunting prey. But the striped marlin, new research ...

Aggressive little male fish from Indonesia turn black when angry to show their dominance, scientists discover. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...