The Surface-Dwelling Fish Astyanas mexicanus (image) Marine Biological Laboratory Share Print E-Mail Caption This image shows the surface-dwelling Astyanas mexicanus, which has eyes and pigmentation. Credit William Jeffery/MBL Woods Hole Usage Restrictions Please use with proper credit. 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.