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Retention of mercury in the muscle of yellow perch (Perca flavescens) and rock bass (Ambloplites rupestris)

Transactions of the American Fisheries Society

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Abstract

Mercury-contaminated yellow perch (Perca flavescens) and rock bass (Ambloplites rupestris) were collected from Lake St. Clair and stocked in two earthen ponds in September 1970. Twenty-six months later, concentrations of total mercury in the fillets had declined 53% in the yellow perch and 59% in the rock bass; however, the mean weight of the fish increased 88 and 183%, respectively, during the same period. All of the reduction in mercury concentrations was attributable to dilution by growth. Slight discrepancies between the theoretical and observed reduction of mercury concentrations suggest an initial redistribution of residues from other tissues to the muscle and a continued incorporation of background amounts of mercury during growth.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Retention of mercury in the muscle of yellow perch (Perca flavescens) and rock bass (Ambloplites rupestris)
Series title:
Transactions of the American Fisheries Society
Volume
105
Issue:
2
Year Published:
1976
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 296-300
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Transactions of the American Fisheries Society
First page:
296
Last page:
300