Bioaccumulation of mercury and other trace elements in bottom-dwelling omnivorous fishes: The case of Diplodus sargus (L.) (Osteichthyes: Sparidae).

Abstract:

:The presence of toxic elements in fish represents a hazard for human health, especially in Mediterranean countries and other regions with high per-capita fish consumption. The present research, carried out along the northern Catalan coast (NW Mediterranean), aimed to determine the levels of trace metals and arsenic in the muscle of white seabream Diplodus sargus (L.), a common demersal species of growing interest for fisheries and aquaculture. Average mercury concentrations widely exceeded the limits imposed by EU despite the low contamination levels previously reported for the study area, stressing the potential risk associated to the consumption of medium-sized, non-predatory fishes. The other analyzed elements fell within the recommended limits. Preliminary results about the feeding habits of D. sargus are reported, in order to determine feeding habitat and items of the analyzed specimens.

journal_name

Mar Pollut Bull

authors

Merciai R,Rodríguez-Prieto C,Torres J,Casadevall M

doi

10.1016/j.marpolbul.2018.08.061

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

10-21

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(18)30633-7

journal_volume

136

pub_type

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