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American yellow perch, Yellow perch
Four different assessment units are in the Lake Erie for American yellow perch: 1) Western Basin, 2) Western Central Basin, 3) Eastern Central Basin and 4) Eastern Basin (GLFC, 2012a; 2015). Stock structure is not completely understood; several spawning groups have been detected from genetic analysis, showing little evidence of correspondence with the established assessment units (Sepulveda-Villet and Stepien, 2011).