Camouflaged Cuttlefish (IMAGE) Marine Biological Laboratory Caption A well-camouflaged cuttlefish can fool a predator's eye. Here, the cuttlefish is expressing skin colors, patterns and texture that make it look similar to the algae-covered rocks that surround it. In this paper, Gonzalez-Bellido et al. describe the neural circuit behind the muscular system that causes the bumps in the skin, known as papillae. Credit Roger Hanlon Usage Restrictions Please use with proper credit. License Licensed 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.