@article{fdi:010085268, title = {{M}ercury concentrations in tuna blood and muscle mirror seawater methylmercury in the {W}estern and {C}entral {P}acific {O}cean}, author = {{B}arbosa, {R}. {V}. and {P}oint, {D}avid and {M}edieu, {A}. and {A}llain, {V}. and {G}illikin, {D}. {P}. and {C}outurier, {L}. {I}. {E}. and {M}unaron, {J}ean-{M}arie and {R}oupsard, {F}. and {L}orrain, {A}nne}, editor = {}, language = {{ENG}}, abstract = {{U}nderstanding the relationship between mercury in seafood and the distribution of oceanic methylmercury is key to understand human mercury exposure. {H}ere, we determined mercury concentrations in muscle and blood of bigeye and yellowfin tunas from the {W}estern and {C}entral {P}acific. {R}esults showed similar latitudinal patterns in tuna blood and muscle, indicating that both tissues are good candidates for mercury monitoring. {C}omplementary tuna species analyses indicated species- and tissue- specific mercury patterns, highlighting differences in physiologic processes of mercury uptake and accumulation associated with tuna vertical habitat. {T}una mercury content was correlated to ambient seawater methylmercury concentrations, with blood being enriched at a higher rate than muscle with increasing habitat depth. {T}he consideration of a significant uptake of dissolved methylmercury from seawater in tuna, in addition to assimilation from food, might be interesting to test in models to represent the spatiotemporal evolutions of mercury in tuna under different mercury emission scenarios.}, keywords = {{M}ethylmercury ; {T}unas ; {B}lood ; {W}hite muscle ; {V}ertical habitat ; {P}acific {O}cean ; {PACIFIQUE}}, booktitle = {}, journal = {{M}arine {P}ollution {B}ulletin}, volume = {180}, numero = {}, pages = {113801 [9 ]}, ISSN = {0025-326{X}}, year = {2022}, DOI = {10.1016/j.marpolbul.2022.113801}, URL = {https://www.documentation.ird.fr/hor/fdi:010085268}, }