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 ...

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 ...

When fish suddenly change color, little photoreceptors embedded deep within their skin keep watch to ensure the color is just right, according to new research. For the first time, scientists have ...

Why do octopuses change color? Octopuses, like this young female Giant Pacific Octopus at Birch Aquarium at Scripps, change color to evade predators. (Photo Courtesy of Birch Aquarium at Scripps, ...

Owning a fish tank is like bringing home a small natural world that has lively sights and calming sounds of sweet little ...