2017
DOI: 10.1111/jfb.13505
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First record of non‐native hybrid catfish Pseudoplatystoma reticulatum × Leiarius marmoratus in the Upper Paraná River basin, Brazil

Abstract: The aim of this study is to report the presence of a three non-native hybrid long-whiskered catfishes (family Pimelodidae) in the Upper Paraná River basin, Brazil. Genetic analyses demonstrated that the three presumptive hybrids were a result of the crossbreeding of Pseudoplatystoma reticulatum (central Amazonas River basin and Lower Paraná River) and Leiarius marmoratus (Amazonas, Essequibo and Orinoco rivers), producing a hybrid commonly known in Brazil as cachandiá. The potential threat to biodiversity, due… Show more

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Cited by 13 publications
(7 citation statements)
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References 13 publications
(31 reference statements)
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“…The results of the present study warn of the increasing production of fish hybrids and suggest that the practice be monitored and supervised by responsible environmental agencies, since several reports of escape have been recorded (Hashimoto et al 2010, Prado et al 2011, Gomes et al 2012, Prado et al 2012, Vaini et al 2014, Yabu et al 2018. It also stresses that molecular identification tools that can aid in research and conservation programs are of great importance and applicability and should be routinely used.…”
Section: Primers 5' ---Sequence Of Primers ---3' Referencementioning
confidence: 72%
“…The results of the present study warn of the increasing production of fish hybrids and suggest that the practice be monitored and supervised by responsible environmental agencies, since several reports of escape have been recorded (Hashimoto et al 2010, Prado et al 2011, Gomes et al 2012, Prado et al 2012, Vaini et al 2014, Yabu et al 2018. It also stresses that molecular identification tools that can aid in research and conservation programs are of great importance and applicability and should be routinely used.…”
Section: Primers 5' ---Sequence Of Primers ---3' Referencementioning
confidence: 72%
“…O descarte de híbridos em ambientes naturais pode comprometer populações por processos de depreciação genética, por meio de cruzamentos dos híbridos com indivíduos das espécies parentais (Vaini et al, 2014;Do Prado, 2017), além de processos ecológicos como predação, competição e sobreposição de nicho com espécies nativas (Do Prado, 2017;Yabu et al, 2018).…”
Section: Discussionunclassified
“…O aumento da demanda na modalidade por determinados gêneros de peixes proporciona consequentemente maior pressão de propágulo (Marchetti et al 2004, Rixon et al 2005, Duggan et al 2006, Gertzen et al 2008, ou seja, o esforço de introdução resulta da combinação entre a quantidade, higidez e tamanho de indivíduos introduzidos e a frequência com que as introduções ocorrem (Lockwood et al 2005), se ocorrerem solturas deliberadas (Garcia et al 2014, Azevedo-Santos et al 2015, Garcia et al 2017a, 2017b. Tal fato é agravado, sobretudo em regiões tropicais, onde o estabelecimento e distribuição de espécies não-nativas pode ser facilitado pelas condições climáticas e ambientais vigentes (Duggan et al 2006, Lopes et al 2017, Garcia et al 2018.…”
Section: Discussionunclassified