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Mercury monitoring in fish using a non-lethal tissue biopsy method

Missouri Department of Conservation Science Notes
By: , and 

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Abstract

The occurrence of mercury in fish is well-known and often occurs at levels that warrant restricted consumption by sensitive human populations. Because of this, local wildlife and health agencies have developed monitoring programs to identify the magnitude of fish contamination and changes through time. Monitoring mercury levels in fish typically requires killing fish for removal of a fillet. Recently, researchers have proposed the use of a non-lethal tissue biopsy plug method as a surrogate for analysis of the entire fillet.

A non-lethal method is particularly desirable for sampling rare or endangered fish or highly valued fisheries. The Missouri Department of Conservation manages several fisheries where the public is sensitive to excessive fish removal, yet there is a desire for mercury information. One such example is the trophy smallmouth bass (Micropterus dolomieu) fishery in the Ozark’s Eleven Point River. Plug removal is not expected to affect fish survival in the shortterm. However, limited information is available on survival of fish for weeks or months after plug removal.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Mercury monitoring in fish using a non-lethal tissue biopsy method
Series title Missouri Department of Conservation Science Notes
Volume 5
Issue 14
Year Published 2010
Language English
Publisher Missouri Department of Conservation
Contributing office(s) Contaminant Biology Program
Description 2 p.
Country United States
State Missouri
Other Geospatial Eleven Point River
Online Only (Y/N) N
Additional Online Files (Y/N) N