2008
DOI: 10.1590/s1519-69842008000200013
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Abstract: The purpose of this study was to characterize the diet of the fish Brycon opalinus (Characidae) seasonally and locally, allowing for the determination of its food items and trophic relations with the aquatic and terrestrial environments. The study area encompasses three rivers (Paraibuna, Ipiranga and Grande) in the basin of the Paraibuna, southeast Brazil. Twelve monthly collections were made from January to December 2004. The degree of stomachic repletion and of accumulated visceral fat was analyzed, as was … Show more

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Cited by 23 publications
(14 citation statements)
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“…Due to their dependence on plant material in their diet (e.g., leaves, flowers, seeds, fruits), the destruction of riparian vegetation in site 2 could have serious consequences for this fish like extinction (Alvim & Peret, 2004). In a geographical area, some species are the first to disappear as result of anthropic pressures, and among Neotropical fish, this is particularly true of the genus Brycon (Gomiero et al, 2008). This disappearance can be attributed to the loss of riverine forests (Reys et al, 2009).…”
Section: Discussionmentioning
confidence: 99%
“…Due to their dependence on plant material in their diet (e.g., leaves, flowers, seeds, fruits), the destruction of riparian vegetation in site 2 could have serious consequences for this fish like extinction (Alvim & Peret, 2004). In a geographical area, some species are the first to disappear as result of anthropic pressures, and among Neotropical fish, this is particularly true of the genus Brycon (Gomiero et al, 2008). This disappearance can be attributed to the loss of riverine forests (Reys et al, 2009).…”
Section: Discussionmentioning
confidence: 99%
“…The genus Brycon comprises omnivorous -frugivorous species (Goulding 1980, Kubitzki & Ziburski 1994, Horn 1997, Gomiero et al 2008, with morphological and biochemical evidence of specialization to herbivory and frugivory as adults (Drewe et al 2004). Reys et al (2008) observed 12 fruit species in the diet of B. hilarii and discussed that half of all plant species of riparian vegetation in Formoso River, Central Brazil, can be dispersed by this species.…”
Section: Discussionmentioning
confidence: 99%
“…Within the flood period the water invaded the forest and theoretically supplies more food resource for fishes (Goulding, 1980;Gomiero et al, 2008). Nevertheless, in the flood period in March/2009, the A. longimanus presented the most specialists feeding behavior.…”
Section: Discussionmentioning
confidence: 99%