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      Structural and morphological features of Piaractus mesopotamicus (Holmberg, 1887) gills Translated title: Aspectos estruturais e morfológicos das brânquias de Plaractus mesopotamicus (Holmberg, 1887)

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          Abstract

          The pacu Piaractus mesopotamicus (Holmberg, 1887), is a commercially important serrasalmid fish endemic to the Paraná-Paraguay River basin, and one of the most widely cultivated native fish species in the Neotropics. As a migratory species, also inhabiting temporary pools subjected to hypoxic conditions, the species presents a high plasticity concerning respiratory adaptations. In order to supplement basic knowledge on the respiratory physiology and morphology of this species, some structural features of pacu gills, such as filament and lamellae structure, and circulatory pattern are described in this paper.

          Translated abstract

          O pacu, Piaractus mesopotamicus (Holmberg, 1887), um serrasalmídeo de importância comercial endêmico da bacia do Paraná-Paraguai, é uma das espécies de peixe mais amplamente cultivadas na região Neotropical. Sendo uma espécie migradora, que também habita ambientes temporários sujeitos a condições hipóxicas, apresenta grande plasticidade em suas adaptações respiratórias. Com a finalidade de complementar o conhecimento sobre a fisiologia e morfologia respiratória da espécie, alguns aspectos morfológicos das brânquias do pacu, como a estrutura de filamentos e lamelas e o padrão circulatório, são descritos neste trabalho.

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          The osteology of Brycon meeki, a generalized Characidae fish, with an osteological definition of the family

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            The behavioral ecology of air breathing by aquatic animals

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              Water quality management for pond fish culture

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbbio
                Revista Brasileira de Biologia
                Rev. Bras. Biol.
                Instituto Internacional de Ecologia (São Carlos )
                0034-7108
                August 2000
                : 60
                : 3
                : 493-501
                Affiliations
                [1 ] Universidade Federal Rural de Pernambuco Brazil
                [2 ] Universidade Federal de São Carlos Brazil
                Article
                S0034-71082000000300014
                10.1590/S0034-71082000000300014
                ea67c2ae-0d70-4949-8ab5-2353880c5f9d

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0034-7108&lng=en
                Categories
                BIOLOGY

                General life sciences
                pacu,Piaractus mesopotamicus,estrutura branquial,morfologia branquial,gill structure,gill morphology

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