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      Morphological description of the developmental stages of Parauchenipterus galeatus (Linnaeus, 1766) (Siluriformes, Auchenipteridae) on the floodplain of the upper Paraná River Translated title: Descrição morfológica dos estágios de desenvolvimento de Parauchenipterus galeatus (Linnaeus, 1766) (Siluriformes, Auchenipteridae) na planície de inundação do alto Rio Paraná

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          Abstract

          We provide morphological and morphometric descriptions of the developmental stages of Parauchenipterus galeatus, from the floodplain of the Upper Paraná River. Specimens were obtained by induced spawning. The species has large adhesive eggs with a double membrane. The incubation period is long, 65 hours at 27°C. The larvae are well developed at hatching, with relatively rapid larval development. Analysis of the morphometric data showed that the body parts of P. galeatus grow proportionately.

          Translated abstract

          Este trabalho teve por objetivo descrever morfológica e morfometricamente os estágios de desenvolvimento de Parauchenipterus galeatus capturados na planície de inundação do alto rio Paraná. O material utlizado foi obtido através de desova induzida. A espécie apresentou ovos grandes, adesivos e com membrana dupla. Período de incubação longo (65 horas a 27°C). As larvas são bem desenvolvidas no momento da eclosão, apresentando desenvolvimento larval relativamente rápido. A análise dos dados morfométricos revela que P. galeatus apresenta crescimento proporcional das partes do corpo.

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          Biologia da reproducäo de peixes teleósteos: teoria e práctica

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            Los peces de los llanos de Venezuela: Un ensayo sobre su história natural

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              Os peixes de água doce do Brasil

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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 1999
                : 59
                : 3
                : 429-438
                Affiliations
                [1 ] Universidade Estadual de Maringá Brazil
                [2 ] Universidade Estadual de Maringá Brazil
                Article
                S0034-71081999000300007
                10.1590/S0034-71081999000300007
                30233e67-ea96-48f6-8891-08e5f5b62b0f

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

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                Product

                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
                Morphological development,Parauchenipterus galeatus,larvae and juveniles,floodplain,Paraná River,descrição morfológica,larvas e juvenis,planície de inundação,rio Paraná

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