Assessment of the carcinogenic risk of heavy metals lead and cadmium resulting from the consumption of fish *Barbus Sharpeyi*, *Tilapia*, and *Carasobarbus Luteus* from   Shadegan Lagoon

Mohammadi, Seyed Ayad; karimi organi, fatemeh; Savari, Ahmad; Dashti, Soolmaz; Koushafar, Azita

Journal of Wetland Ecobiology

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Volume 16, Issue 4 (Winter 2025) 2025, 16(4): 78-91 | Back to browse issues page

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Mohammadi S A, karimi organi F, Savari A, Dashti S, Koushafar A. Assessment of the carcinogenic risk of heavy metals lead and cadmium resulting from the consumption of fish *Barbus Sharpeyi*, *Tilapia*, and *Carasobarbus Luteus* from Shadegan Lagoon. Wetland Ecobiology 2025; 16 (4) : 6
URL: http://jweb.ahvaz.iau.ir/article-1-1080-en.html

Assessment of the carcinogenic risk of heavy metals lead and cadmium resulting from the consumption of fish *Barbus Sharpeyi*, *Tilapia*, and *Carasobarbus Luteus* from Shadegan Lagoon

Seyed Ayad Mohammadi

, Fatemeh Karimi organi

, Ahmad Savari

, Soolmaz Dashti

, Azita Koushafar

Abstract: (394 Views)

Shadegan Wetland is always exposed to heavy metal pollution due to human activities around it. The purpose of this study, which was conducted in 1400, was to assess the carcinogenic risk of heavymetals lead and cadmium from the consumption of Bani, Hamri and Tilapia fish in Shadegan Wetland.For this purpose, water and sediment samples were taken and 47 of the mentioned fish caught by local fishermen from the water of the wetland were transferred to the laboratory using standard methods and the concentration of metals in the fish was measured. The concentration of cadmium and lead metals in all three types of Hamri, Tilapia and Bani fish was higher than international standards. The carcinogenicity factor CR and the non-carcinogenicity factor THQ were calculated and reported at the standard level, thus, the consumption of these fish does not pose a problem for humans in terms of carcinogenicity. The result of the significant Pearson correlation coefficient between the concentration of lead and cadmium entering the wetland and all three types of fish studied, (P<0.05), is that the entry of these pollutants into the wetland increases the ecological risk of the wetland and proper environmental considerations should always be taken into account in the Shadegan Wetland.

Article number: 6

Keywords: Risk assessment, heavy metals, Shadegan Wetland, carcinogenicity, pollution

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Type of Study: Research | Subject: Special
Received: 2025/06/17 | Accepted: 2025/12/21 | Published: 2025/12/21

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