The diatom Gyrosigma acuminatum collected from Lake Huron in 1956. Diatoms are major constituents of Great Lakes plankton and also are important in the diets of larval sea lampreys.
Image ID: fish5579, NOAA's Historic Fisheries Collection Location: Michigan, Lake Huron Photo Date: 1956 Credit: NOAA Central Library Historical Fisheries Collection • High Resolution Photo Available
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