A Sergeant Major swims in open water above the reef at Eagle Ray Roundup. Sergeant Majors are very common, and are abundant throughout the Carribbean. They are easily identified by their black stripes and yellow back.
This Sergeant Major was 5 inches long.
Eagle Ray Roundup is a reef at Jackson's Bight north of Little Cayman island. A bight is a bay formed by a curve in the coastline.