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Ecomorphology and use of food resources: inter- and intraspecific relationships of fish fauna associated with macrophyte stands Neotropical Ichthyology
Prado,Aline V. R.; Goulart,Erivelto; Pagotto,João P. A..
ABSTRACT Based on the form-function interaction and its consequence to niche exploitation by fish species, the study aimed to identify ecomorphological patterns and to investigate the possibility of explaining the trophic niche breadth using the pattern of intraspecific ecomorphological diversity. We tested the following hypotheses: i) the morphology explains variations in diet among fish species; ii) the intraspecific ecomorphological diversity is related to the breadth of the trophic niche explored by the species, so that species that feed on a wider range of resources have greater variation in body shape compared to those specialized in resource consumption. Fish were collected in stands of the aquatic macrophytes Eichhornia azurea and Eichhornia...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet breadth; Ecomorphological distance; Ichthyofauna; Inter- and intraspecific variation; Upper Paraná River floodplain.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000400202
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