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Morphological Gill Analysis of Fish Species <em>Prochilodus lineatus</em> after Exposure to Pollutants | OMICS International | Abstract
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Morphological Gill Analysis of Fish Species Prochilodus lineatus after Exposure to Pollutants

Bruno Fiorelini Pereira1*, Rebeca Mamede da Silva Alves1, Dimítrius Leonardo Pitol2, José Algusto Senhorini3, Rita de Cássia Gimenes de Alcântara Rocha3 and Flavio Henrique Caetano1
1Universidade Estadual Paulista “Júlio de Mesquita Filho” UNESP, Instituto de Biociências - Campus de Rio Claro, SP, Brazil
2Faculdade de Odontologia - USP - Ribeirão Preto, SP, Brazil
3ICMBio/CEPTA – Pirassununga, SP, Brazil
Corresponding Author : Bruno Fiorelini Pereira
Universidade Estadual Paulista-
UNESP - Campus de Rio Claro Av. 24A, 1515
Bela Vista, Rio Claro, São Paulo, 13506900, Brazil
E-mail: [email protected]
Received November 07, 2011; Accepted March 03, 2012; Published March 05, 2012
Citation: Pereira BF, da Silva Alves RM, Pitol DL, Senhorini JA, de Alcântara Rocha RCG, et al. (2012) Morphological Gill Analysis of Fish Species Prochilodus Lineatus after Exposure to Pollutants. J Environment Analytic Toxicol 2:130. doi: 10.4172/2161-0525.1000130
Copyright: © 2012 Pereira BF, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


The gill is the respiratory organ in fish but it is also responsible for ion exchange with the environment, what makes it highly susceptible to pollutants. This study aimed to identify possible histological and histochemical changes in the gill of fish species Prochilodus lineatus exposed to biodegradable detergents and water from an urban lake. The results showed not only morphological alterations such as lamellae fusion and hyperplasia, as well as increase in collagen, changes in nuclear volume and increase in the number of chloride and mucous cells. These results show that common pollutants dumped into rivers and urban lakes can cause several changes in the respiratory organ, possibly leading to a metabolic deficit in fish.


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