{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,15]],"date-time":"2026-08-15T12:26:18Z","timestamp":1786796778413,"version":"build-2736575974"},"reference-count":71,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T00:00:00Z","timestamp":1782950400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T00:00:00Z","timestamp":1782950400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Environmental Toxicology"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The Peixoto de Azevedo River, located in northern Mato Grosso, southern Brazilian Amazon, has a long history of artisanal and small\u2010scale gold mining (ASGM). This study evaluated total mercury (THg) concentrations in fish tissues to assess biomagnification and potential risks. THg was determined by atomic absorption spectrometry in scales, skin, muscle, and liver of three species representing distinct trophic niches:\n                    <jats:italic>Cichla<\/jats:italic>\n                    sp. (predator),\n                    <jats:italic>Hemiodus<\/jats:italic>\n                    sp. (generalist), and\n                    <jats:italic>Hypostomus<\/jats:italic>\n                    sp. (detritivore). Predator muscle exhibited the highest THg concentrations, followed by generalist and detritivore species, confirming biomagnification along the food chain. The liver consistently showed the highest THg levels, while scales demonstrated potential as a non\u2010invasive biomonitoring tool. Mercury was detected in all samples, underscoring the need for continuous monitoring. Risk assessment indicated elevated hazard for consumption of\n                    <jats:italic>Cichla<\/jats:italic>\n                    sp., moderate for\n                    <jats:italic>Hemiodus<\/jats:italic>\n                    sp., and low for\n                    <jats:italic>Hypostomus<\/jats:italic>\n                    sp. These findings highlight the ecotoxicological relevance of mercury contamination in mining\u2010impacted rivers and provide methodological advances for biomonitoring strategies. Beyond toxicological implications, the results contribute to advancing biomonitoring strategies in ASGM regions and provide evidence to inform environmental management policies and public health strategies. In this context, the study supports international commitments such as the United Nations Sustainable Development Goals (SDGs 2, 3, 6, and 12) and the Minamata Convention, reinforcing the integration of ecotoxicology with sustainable development and governance.\n                  <\/jats:p>","DOI":"10.1002\/tox.70150","type":"journal-article","created":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T04:36:04Z","timestamp":1783053364000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ecotoxicological Assessment of Mercury in Fish From a Gold\u2010Mining\u2010Impacted Amazonian River: Biomonitoring and Human Health Risk"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9690-6453","authenticated-orcid":false,"given":"Augusto Cesar","family":"da Costa Castilho","sequence":"first","affiliation":[{"name":"Federal University of Mato Grosso, Campus Cuiab\u00e1  Cuiab\u00e1 MT Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2331-9941","authenticated-orcid":false,"given":"Kleber","family":"Solera","sequence":"additional","affiliation":[{"name":"Federal University of Mato Grosso, Campus Sinop  Sinop MT Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-5524-009X","authenticated-orcid":false,"given":"Vin\u00edcius Jos\u00e9 Santos","family":"Lopes","sequence":"additional","affiliation":[{"name":"Federal University of Mato Grosso, Campus Sinop  Sinop MT Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1045-9854","authenticated-orcid":false,"given":"Gleyce Alves","family":"Machado","sequence":"additional","affiliation":[{"name":"Federal University of Catal\u00e3o  Catal\u00e3o GO Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2202-6813","authenticated-orcid":false,"given":"Ricardo Lopes Tortorela","family":"de Andrade","sequence":"additional","affiliation":[{"name":"Federal University of Mato Grosso, Campus Sinop  Sinop MT Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5920-5997","authenticated-orcid":false,"given":"Leandro D\u00eanis","family":"Battirola","sequence":"additional","affiliation":[{"name":"Federal University of Mato Grosso, Campus Cuiab\u00e1  Cuiab\u00e1 MT Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,2]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecoenv.2023.114895"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsenvironau.4c00053"},{"key":"e_1_2_11_4_1","doi-asserted-by":"crossref","first-page":"79","DOI":"10.37885\/220509027","volume-title":"Amaz\u00f4nia: T\u00f3picos Atuais Em Ambiente, Sa\u00fade e Educa\u00e7\u00e3o","author":"Rocha C. 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