Photo of Iridiophores in Squid Skin (IMAGE) Marine Biological Laboratory Caption Iridophores in squid are highly angle dependent. This image shows the same iridophore splotches viewed at normal (red) and oblique (blue) viewing angles. Credit L. Mäthger, MBL 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.