2019
DOI: 10.1590/0001-3765201920180579
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Abstract: Cichla ocellaris is native to the Amazon region. It is popularly known as tucunaré and is widely used for human consumption. It is difficult to breed in captivity due to its highly predatory habits, it is considered symbolic of sport fishing in Brazil. This study aimed to make a qualitative and quantitative survey of helminth parasites of C. ocellaris. Thirty specimens from the Jacaré-Pepira River, located in the municipality of Ibitinga, in the interior of the state of São Paulo, were studied. The river is lo… Show more

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Cited by 5 publications
(4 citation statements)
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References 22 publications
(16 reference statements)
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“…In the present study, we analysed anurans from native grasslands with livestock and land under agricultural cultivation to compare the helminth communities in these two types of land uses and to assess the possible impacts of agricultural cultivation on the helminths of the anurans of these areas. Similar to the results previously reported in other studies (Kiesecker, 2002; Johnson & Chase, 2004; Koprivnikar et al ., 2006), we were able to verify that agricultural cultivation changes the structure and composition of helminth communities in anurans, leading to an increase in the number of infected anurans, as well as the abundance and intensity of parasitic infection. The results obtained are worrying when considering the accelerated change in land use by the conversion of native grasslands into agricultural systems (mainly for soybean cultivation) (Overbeck et al ., 2007; Oliveira et al ., 2017).…”
Section: Final Remarkssupporting
confidence: 93%
See 1 more Smart Citation
“…In the present study, we analysed anurans from native grasslands with livestock and land under agricultural cultivation to compare the helminth communities in these two types of land uses and to assess the possible impacts of agricultural cultivation on the helminths of the anurans of these areas. Similar to the results previously reported in other studies (Kiesecker, 2002; Johnson & Chase, 2004; Koprivnikar et al ., 2006), we were able to verify that agricultural cultivation changes the structure and composition of helminth communities in anurans, leading to an increase in the number of infected anurans, as well as the abundance and intensity of parasitic infection. The results obtained are worrying when considering the accelerated change in land use by the conversion of native grasslands into agricultural systems (mainly for soybean cultivation) (Overbeck et al ., 2007; Oliveira et al ., 2017).…”
Section: Final Remarkssupporting
confidence: 93%
“…Helminths are indicative of many biological aspects of their hosts, including diet, habitat occupation and phylogeny, and may also be good direct indicators of environmental quality (Aguiar, 2014;Dias et al, 2017;Januário et al, 2019). Previous studies suggested that the environment is 'healthy' when hosts are exposed to a high diversity of helminths (Marcogliese, 2004(Marcogliese, , 2005Hudson et al, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…Native to the Amazon basin, the species Astronotus ocellatus (Agassiz 1831) is a cichlid classified as omnivorous that performs parental care; its reproduction is preferentially in lentic waters (Melo et al 2018 and references therein). The species C. ocellaris (Bloch & Schneider 1801) is a predatory cichlid native to the Amazon basin; it can be found in lotic or lentic water and presents a piscivorous habit (Brandão & Silva 2009, Januário et al 2019. Also native to the Amazon basin, Plagioscion squamosissimus (Heckel 1840) was introduced into rivers in northeastern Brazil by 1940.…”
Section: Studied Speciesmentioning
confidence: 99%
“…Still, many of the species originally described as belonging to the Trichomycterus genus have not yet been reassessed morphologically, nor are they included in recent phylogenetic studies on the Trichomycterinae subfamily (see Ochoa et al 2017Ochoa et al , 2020Katz et al 2018;Reis et al 2019 and cited references). Thus, considering that most studies on fish parasites focus on species which are important for consumption and commercial exploitation, such as Pseudoplatystoma corruscans (Spix & Agassiz, 1829) (common name "pintado") (Eiras et al 2009;Naldoni et al 2014), Cichla piquiti Kullander & Ferreira, 2006and Cichla kelberi Kullander & Ferreira, 2006 Cichla monoculus in the upper Paraná River floodplain) (common name "tucunaré" or "peacock bass") (Franceschini et al 2013;Santos-Clapp and Brasil-Sato 2014;Januário et al 2019), Arapaima gigas (Schinz, 1822) (common name "pirarucu") (Santos et al 2008;Marinho et al 2013), studies involving small fish with low commercial value, which are poorly known, are important, as they contribute to the construction of scientific knowledge of biodiversity.…”
Section: Introductionmentioning
confidence: 99%