Mercury Accumulation and Elimination in Different Tissues of Zebrafish (Danio rerio) Exposed to a Mercury-Supplemented Diet

In this study, we evaluated the bioaccumulation of mercury in zebrafish (Danio rerio) exposed to mercury-contaminated food for 21 days and depuration a subsequent post-exposure period 28 days. Four tissues (muscle, liver, gills, skin) were analyzed content. Overall, data indicated that Hg accumulation liver is faster than other tissues. Furthermore, tissue with highest rate per day (0.021 µg g−1 day−1), followed by muscle, skin, gills. Conversely, rates different showed following order: gills > skin muscle liver. The factor values increased linearly during uptake period. ratios between concentration experiment also remained higher 1 elimination period, suggesting Danio rerio needed more 4 weeks depuration. Finally, distribution water column particulate dissolved, it opposite, < dissolved. conclusion, study contributes better understanding differences dynamics stages model fish, emphasizing alterations on available column.