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![Alewives in Burnham Harbor fizh1400.jpg Alewives in Burnham Harbor](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fizh1400.jpg?itok=dxpAYLVr)
Description
Alewives in Burnham Harbor. Although the photo is undated, it is probable thatthese dead alewife were part of the great alewife die-off of June, 1967.Rapid temperature changes encountered by the fish in lake waters, a fungus,and blue-green algae were all listed as possible causes of the die-off but noone cause was singled out. (Image credit: Courtesy of Chicago Sun-Times; NOAA Central Library Historical Fisheries Collection | Bob Langer)