Adult Zebrafish Skeleton (image) University of Southern California Share Print E-Mail Caption An adult zebrafish skeleton is stained for bone (purple) and cartilage (blue). Credit USC/Gage Crump Lab Usage Restrictions Use caption and credit information as is. Share Print E-Mail 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.