Desenvolvimento inicial e distribuição temporal de larvas e juvenis de Bryconamericus stramineus Eigenmann, 1908 (Osteichthyes, Characidae) na planície alagável do alto rio Paraná, Brasil - DOI: 10.4025/actascibiolsci.v25i2.2021

André Vieira Galuch; Mirian Rodrigues Suiberto; Keshiyu Nakatani; Andréa Bialetzki; Gilmar Baumgartner

doi:10.4025/actascibiolsci.v25i2.2021

**Initial development and temporal distribution of larvae and juveniles of Bryconamericus stramineus Eigenmann, 1908 (Osteichthyes, Characidae) in the floodplain of Upper Paraná River** - DOI: 10.4025/actascibiolsci.v25i2.2021

Authors

André Vieira Galuch UEM Author
Mirian Rodrigues Suiberto UNESP Author
Keshiyu Nakatani UEM Author
Andréa Bialetzki UEM - Maringá Author
Gilmar Baumgartner UNIOESTE Author

DOI:

https://doi.org/10.4025/actascibiolsci.v25i2.2021

Keywords:

desenvolvimento inicial, distribuição temporal, larvas, juvenis, Bryconamericus stramineus, planície de inundação

Abstract

The aim of this paper was to analyze initial development and temporal distribution of larvae and juveniles of Bryconamericus stramineus and their relationship with some environmental variables of Ressaco do Leopoldo in the Upper Paraná River floodplain. The samples were taken from February 1991 to February 1992. The larvae and the juveniles were identified and described according to the with its morphologic and meristic characteristics. The larvae presented scarce pigmentation, subterminal mouth, medium anal opening and myomeres varying 35-40 (16-21 pre and 17-22 postanal). The greater densities of larvae and juveniles were verified in December 1991 and November 1991, respectively, mainly during the night. The larvae density was only correlated with precipitation

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Author Biography

Andréa Bialetzki, UEM - Maringá

Atualmente é biologa da Universidade Estadual de Maringá e pesquisador nível 2 do Conselho Nacional de Desenvolvimento Científico e Tecnológico. Tem experiência na área de Ecologia, com ênfase em Ecologia de Ovos e Larvas de Peixes. Currículo Lattes

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Published

2008-04-17

Issue

Vol. 25 No. 2 (2003)

Section

Biology Sciences

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How to Cite

Initial development and temporal distribution of larvae and juveniles of Bryconamericus stramineus Eigenmann, 1908 (Osteichthyes, Characidae) in the floodplain of Upper Paraná River - DOI: 10.4025/actascibiolsci.v25i2.2021. (2008). Acta Scientiarum. Biological Sciences, 25(2), 335-343. https://doi.org/10.4025/actascibiolsci.v25i2.2021