Three New Species of Jainus (Monogenea: Dactylogyridae) Parasitizing Gills of Brazilian Freshwater Fishes Supported by Morphological and Molecular Data †

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorRegional University of Cariri (URCA)-
Autor(es): dc.creatorYamada, Priscilla de Oliveira Fadel-
Autor(es): dc.creatorMüller, Maria Isabel-
Autor(es): dc.creatorZago, Aline Cristina-
Autor(es): dc.creatorYamada, Fabio Hideki-
Autor(es): dc.creatorEbert, Mariana Bertholdi-
Autor(es): dc.creatorFranceschini, Lidiane-
Autor(es): dc.creatorda Silva, Reinaldo José-
Data de aceite: dc.date.accessioned2025-08-21T17:46:58Z-
Data de disponibilização: dc.date.available2025-08-21T17:46:58Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/d15050667-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247484-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247484-
Descrição: dc.descriptionThe present study describes three new species of monogeneans parasitizing the gills of anostomid fishes from the Upper Paraná River basin, southeastern Brazil: Jainus beccus n. sp. and Jainus radixelongatus n. sp. on Leporinus friderici, Leporinus octofasciatus, Leporinus striatus, and Megaleporinus elongatus; and Jainus ornatus n. sp. on L. friderici. The new species differ from other congeners by the morphology of the accessory piece. There is a semicircular distal portion resembling a “bird’s beak” in Jainus beccus n. sp. It composed of two subunits—one ventral and more sclerotized, sickle-shaped, and another dorsal with three projections—in Jainus radixelongatus n. sp. There are two elongated and sclerotized subunits, both of which have a sickle-shaped distal portion, in Jainus ornatus n. sp. Supplementary observations not reported in the original descriptions of the type-species Jainus piava Karling, Bellay, Takemoto & Pavanelli, 2011 are proposed, as follows: the presence of a thin and delicate ventral bar, which can vary greatly in shape; an accessory piece not articulated with the MCO’s base. This paper provides the first phylogenetic study based on LSU rDNA and COI mtDNA gene sequences for Jainus, improving and clarifying the understanding of host–parasite relationships in neotropical characiforms.-
Descrição: dc.descriptionDepartment of Biodiversity and Biostatistics Institute of Biosciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionDepartment of Ecology and Evolutionary Biology Federal University of São Paulo (UNIFESP), SP-
Descrição: dc.descriptionDepartment of Biological Science Regional University of Cariri (URCA), CE-
Descrição: dc.descriptionDepartment of Biodiversity and Biostatistics Institute of Biosciences São Paulo State University (UNESP), SP-
Idioma: dc.languageen-
Relação: dc.relationDiversity-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAncyrocephalinae-
Palavras-chave: dc.subjectCOI mtDNA-
Palavras-chave: dc.subjectectoparasites-
Palavras-chave: dc.subjectJainus-
Palavras-chave: dc.subjectLSU rDNA-
Palavras-chave: dc.subjectneotropical region-
Palavras-chave: dc.subjectnew species-
Palavras-chave: dc.subjectphylogeny-
Palavras-chave: dc.subjecttaxonomy-
Título: dc.titleThree New Species of Jainus (Monogenea: Dactylogyridae) Parasitizing Gills of Brazilian Freshwater Fishes Supported by Morphological and Molecular Data †-
Tipo de arquivo: dc.typelivro digital-
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