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Histopathological Alterations on Antarctic Fish Notothenia Coriiceps and Notothenia Rossii as Biomarkers of Aquatic Contamination

Lucélia Donatti, Flávia Sant'Anna Rios, Cintia Machado, Maria Rosa Demengeon Pedreiro, Priscila Krebsbach, Claudio Adriano Piechnik, Tânia Zaleski, Mariana Forgati, Luciana Badeluk Cettina, Flavia Baduy Vaz da Silva, Nadia Sabchuk, Cleoni dos Santos Carvalho (+3 others)
2012 INCT-APA Annual Activity Report  

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e Antarctic continent is considered one of the most well preserved areas of the planet; however, human occupation of this environment, for research purposes, generates impacts on the ecosystem, especially near scienti c stations. Studies on structural alterations, mainly of the liver and gills of sh are an important source of information of environmental toxicity. is work intended to evaluate histopathologically, the livers and gills of the Antarctic sh species Notothenia coriiceps and
more » ... a rossii captured in Admiralty Bay, where the Comandante Ferraz Brasilian Antarctica Station is located. Histological and ultrastructure techniques were employed. e only liver diseases found were necroses and hyperplasia, aneurysm and branchial detachment were the diseases found on the gills. e occurrence of alterations, both in the liver and gills, was low and punctual, although with higher incidence in the N. coriiceps than N. rossii. It can be concluded that the low alteration occurrence rate, does not a ect the functionality of the analyzed organs, as it presents no lethality to the species.
doi:10.4322/apa.2014.078 fatcat:pqbqcswudfeqzflu3n3gs3q56q
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Lucélia Donatti, Flávia Sant'Anna Rios, Cintia Machado, Maria Rosa Demengeon Pedreiro, Priscila Krebsbach, Claudio Adriano Piechnik, Tânia Zaleski, Mariana Forgati, Luciana Badeluk Cettina, Flavia Baduy Vaz da Silva, Nadia Sabchuk, Cleoni dos Santos Carvalho, Edson Rodrigues, Edson Rodrigues, Mariana Feijó de Oliveira. "Histopathological Alterations on Antarctic Fish Notothenia Coriiceps and Notothenia Rossii as Biomarkers of Aquatic Contamination." INCT-APA Annual Activity Report (2012) 139-143