Squid Skin (3 of 3) (IMAGE) University of California - Santa Barbara Caption The adaptive iridocytes in the skin of the California market squid are able tune color through most of the spectrum. Credit UCSB Usage Restrictions None 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.