Abstract
The aim of this study was to investigate the bioaccumulation and depuration level of zinc (Zn) by Capoeta fusca in the laboratory condition. The fishes were exposed to two concentrations, i.e., 3.6 and 9.75 mg/L of Zn for 21 days to allow uptake and then transferred to clean water for elimination (10 days). At 21 days of Zn exposure for lower sub-lethal and higher sub-lethal concentrations, the order of Zn bioaccumulation pattern in organs was kidney > liver > gill > muscle and after 10 days; depuration pattern for lower and higher sub-lethal concentrations was gill > liver > muscle > kidney. The highest Zn accumulation was observed in the kidney for lower and higher sub-lethal concentrations. The depuration level of Zn in the gill was the highest for lower and higher sub-lethal concentrations. This study reports the kidney and gill as the target organs for Zn accumulation and depuration in C. fusca, respectively.
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