Eel-pout (Zoarces viviparus L.) as a marine bioindicator
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Updated: Nov 1, 2026

A Fish-feeding Laboratory Bioassay to Assess the Antipredatory Activity of Secondary Metabolites from the Tissues of Marine Organisms
Published on: January 11, 2015
J D Schladot1, F Backhaus, P Ostapczuk
1Institute of Applied Physical Chemistry, Research Center of Jülich, Germany.
Abstract:
Several elements and metal species were analyzed in eel-pout or viviparous blenny (Zoarces viviparus). The analytical data demonstrate that fish muscle is a suitable bioindicator for mercury (Hg) and arsenic (As). About 90% of the total Hg content is present in the fish muscle in the form of methyl mercury. Due to higher concentration levels, the liver is more useful for monitoring Pb and TI. No biomagnification of some trace elements, such as Cd, Ni or Co, were observed in eel-pout. More information is necessary to decide about the use of eel-pout for long-time monitoring programs.
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