Saltwater Sleuths: Seeking Clues To Help Determine The Ages Of Fish And Shellfish Populations

Sandy Sutherland looks through the lens of the microscope at tiny sections of fish earbones, known as otoliths, each showing annual bands of growth. She carefully counts the bands to determine the age of the fish, then moves on to the next sample. Known as an age reader, Sutherland is one of a small team at NOAA's Northeast Fisheries Science Center whose aging work is critical to stock assessments needed to manage the nation's fishery resources in the Northwest Atlantic Ocean.

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