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 ...

Vision is shaped by evolution through environmental pressures and demands, and even closely-related species that might respond to their particular environments by interpreting the visual world ...

This is a preview. Log in through your library . Abstract Camouflage is a widespread phenomenon throughout nature and an important antipredator tactic in natural selection. Many visual predators have ...