2011
DOI: 10.1590/s1679-62252011005000016
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Abstract: In the district of Bom Jardim, in Nobres, Mato Grosso State, Brazil, there are clear water streams originating on karstic terrain. The dourado, Salminus brasiliensis, is an apex stalking predator in these streams. In clear waters, where visually oriented prey may perceive predator in advance, surprise is needed for successful attacks. These streams are cohabited by other Characiformes, like the frugivorous piraputanga Brycon hilarii, which lives in schools and exhibits body colour and shape similar to the dour… Show more

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Cited by 10 publications
(4 citation statements)
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References 14 publications
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“…Benthic stream invertebrates have behavioral and morphological adaptations to avoid predators [67], especially in highly transparent karst water where benthic invertebrates are vulnerable to visually oriented predators [68]. Scraping mayflies, for example, commonly reduce foraging activities in the presence of predatory fish [69,70].…”
Section: Discussionmentioning
confidence: 99%
“…Benthic stream invertebrates have behavioral and morphological adaptations to avoid predators [67], especially in highly transparent karst water where benthic invertebrates are vulnerable to visually oriented predators [68]. Scraping mayflies, for example, commonly reduce foraging activities in the presence of predatory fish [69,70].…”
Section: Discussionmentioning
confidence: 99%
“…The species in this study used the same microhabitats in Nobres as in other studies (Romero & Casatti , for A. asuncionensis ; Sabino & Sazima , for B. hilarii ; Zuanon, Bockmann, & Sazima , for C. zebra ; Romero & Casatti , for C. dimerus ; Sazima , for C. lepidota ; Carvalho & Del‐Claro , for H. eques ; Bizzotto, Godinho, Vono, Kynard, & Godinho, for L. friderici ; Romero & Casatti , for L. striatus ; Teresa et al , for P. lineatus ; and Bessa, Carvalho, Sabino, & Tomazzelli , for S. brasiliensis ). Fish showed high site fidelity (Sazima & Zuanon , ; Cetra, Rondineli, & Souza , ; but see Grossman & Ratajczak , for contrasting data), as predicted by the ecomorphological hypothesis (Bock & von Wahlert , ; Casatti & Castro , ).…”
Section: Discussionmentioning
confidence: 99%
“…The fish from the order Characiformes, especially the piraputanga (B. hilarii), are in the list of prey of adult individuals of the golden dorado (S. brasiliensis) (Bessa et al 2011). In the streams of the Bodoquena Plateau, Midwest Brazil, adult individuals of S. brasiliensis usually attacks individuals of B. hilarii in the darker periods of the day, such as the early morning and the dusk (J.…”
Section: Resultsmentioning
confidence: 99%