Fish pattern simulations (IMAGE) University of Colorado at Boulder Caption Top: A male Ornate Boxfish (Aracana ornata). Bottom left: A close-up picture of the fish’s natural hexagonal pattern. Bottom center: Fish pattern simulation based on Turing’s reaction-diffusion theory. Bottom right: Diffusiophoresis-enhanced reaction-diffusion simulation. Credit The Birch Aquarium/ Scripps Institution of Oceanography, Benjamin Alessio/University of Colorado Boulder Usage Restrictions Use with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.