2012
DOI: 10.1590/s1679-62252012000100016
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Abstract: We experimentally examined the predator-prey relationships between juvenile spotted sorubim Pseudoplastystoma corruscans and young-of-the-year invasive and native fish species of the Paraná River basin, Brazil. Three invasive (peacock bass Cichla piquiti, Nile tilapia Oreochromis niloticus, and channel catfish Ictalurus punctatus) and two native (yellowtail tetra Astyanax altiparanae and streaked prochilod Prochilodus lineatus) fish species were offered as prey to P. corruscans in 300 L aquaria with three habi… Show more

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Cited by 6 publications
(19 citation statements)
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“…Understanding how habitat complexity mediates the predatorprey interactions between native and invasive species is essential to help managers to attempt to control the abundance of invasive species in such diverse ecosystems as the Paraná River and so to preserve native biota. Our findings were compared to those of the few previous experiments with neotropical piscivores (Santos et al 2009(Santos et al , 2012, and the potential of S. brasiliensis to exert biotic resistance against three fish species (Cichla piquiti Kullander & Ferreira, 2006, Oreochromis niloticus (Linnaeus, 1758 and Ictalurus punctatus (Rafinesque, 1818)) introduced into the Paraná River (Júlio Júnior et al 2009;Britton and Orsi 2012) and invasive in many regions is also discussed.…”
Section: Introductionmentioning
confidence: 87%
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“…Understanding how habitat complexity mediates the predatorprey interactions between native and invasive species is essential to help managers to attempt to control the abundance of invasive species in such diverse ecosystems as the Paraná River and so to preserve native biota. Our findings were compared to those of the few previous experiments with neotropical piscivores (Santos et al 2009(Santos et al , 2012, and the potential of S. brasiliensis to exert biotic resistance against three fish species (Cichla piquiti Kullander & Ferreira, 2006, Oreochromis niloticus (Linnaeus, 1758 and Ictalurus punctatus (Rafinesque, 1818)) introduced into the Paraná River (Júlio Júnior et al 2009;Britton and Orsi 2012) and invasive in many regions is also discussed.…”
Section: Introductionmentioning
confidence: 87%
“…the two cichlid species) to well developed (i.e. I. punctatus) stout spines in pectoral, dorsal and anal fins (Santos et al 2009(Santos et al , 2012. All the fishes used in the experiments were young-of-the-year (0þ year; 6 months-old S. brasiliensis; 6-8 weeks the other species) and came from local fish farms, from which they were acquired in January 2006.…”
Section: Experimental Trialsmentioning
confidence: 99%
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