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Relação peso-comprimento e estrutura da população de nove espécies de Characidae na planície de inundação do Alto Rio Paraná, Brasil Length/weight relationships and population structure of nine species of Characidae fish in the high Paraná River floodplain, Brazil

By Maria de los Angeles Perez Lizama and Angela Maria Ambrósio


<abstract language="eng">The length/weight relationships are described for Astyanax bimaculatus, A. schubarti, Aphyocharax nasutus, Cheirodon notomelas, Hyphessobrycon callistus, Hemigrammus marginatus, Moenkhausia intermedia, M. sanctae-filomenae and Roeboides paranensis of tropical freshwater fishes in the high Paraná River floodplain. The fishes were caught over a period of 12 month (March 1993 to February 1994). The equations of the length/weight relationships for each species were: Wt=0.0235.Ls3.13; Wt=0.0162.Ls2.89; Wt=0.0179.Ls3.11; Wt=0.0199.Ls3.09; Wt=0.0183.Ls3.10; Wt=0.0140.Ls3.14; Wt= 0.0200.Ls3.21 and Wt=0.0101.Ls3.21, respectively

Topics: Length/weight relationships, Characidae, floodplain, Paraná River, Zoology, QL1-991, Science, Q, DOAJ:Zoology, DOAJ:Biology, DOAJ:Biology and Life Sciences
Publisher: Sociedade Brasileira de Zoologia
Year: 1999
DOI identifier: 10.1590/S0101-81751999000300015
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