Total mercury concentrations in lionfish (Pterois volitans/miles) from the Florida Keys National Marine Sanctuary,USA |
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| Institution: | 1. Southeast Ecological Science Center, United States Geological Survey, 7920 NW 71st Street, Gainesville, FL 32653, USA;2. School of Natural Resources and Environment, University of Florida, 103 Black Hall, Gainesville, FL 32611, USA;3. Soil and Water Science Department, University of Florida, 7922 NW 71st Street, Gainesville, FL 32653, USA;4. Fisheries and Aquatic Sciences Program, School of Forest Resources and Conservation, University of Florida, 7922 NW 71st Street, Gainesville, FL 32653, USA |
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| Abstract: | Strategies to control invasive lionfish in the western Atlantic and Caribbean are likely to include harvest and consumption. Until this report, total mercury concentrations had been documented only for lionfish from Jamaica, and changes in concentrations with increasing fish size had not been evaluated. In the Florida Keys, total mercury concentrations in dorsal muscle tissue from 107 lionfish ranged from 0.03 to 0.48 ppm, with all concentrations being less than the regulatory threshold for limited consumption. Mercury concentrations did not vary consistently with standard lengths or wet weights of lionfish. In 2010, lionfish from the upper Keys had mean concentrations that were 0.03–0.04 ppm higher than lionfish from the middle Keys, but mean concentrations did not differ consistently among years and locations. Overall, total mercury concentrations in lionfish were lower than those in several predatory fishes that support commercial and recreational fisheries in Florida. |
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| Keywords: | Lionfish Mercury South Florida Bioaccumulation Fish advisories |
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