This image shows an adult zebrafish, distinguished by its vivid blue and yellow stripes. The dynamic coloring is a result of light interplay, where pigment cells provide the base colors by absorbing ...

Zebrafish are known to detect color and brightness with the pineal gland, which is part of the brain. How they do so is now being elucidated. We see color because photoreceptor cones in our eyes ...

The ability of some animals to dynamically change color to match the brightness of their surroundings is one of nature's great survival tools, allowing flatfish to blend into sandy seabeds, frogs to ...