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Registros recuperados: 9
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A new species of Demidospermus Suriano, 1983 (Monogenea) parasite of gills of Auchenipterus osteomystax (Auchenipteridae), from the upper Paraná river floodplain, Brazil - DOI: 10.4025/actascibiolsci.v32i1.3368 Biological Sciences
Tavernari, Fernando de Castro; UFRPE; Takemoto, Ricardo Massato; UEM; Lacerda, Ana Carolina Figueredo; UEM; Pavanelli, Gilberto Cézar; UEM.
A new species of Demidospermus Suriano, 1983 is described from the gills of Auchenipterus osteomystax Miranda-Ribeiro, 1918 (Auchenipteridae), collected in the upper Paraná river floodplain, Brazil. The gills were removed and preserved in 5% formalin. Later the parasites were removed from the gills with the aid of a stereomicroscope and conserved in 70% alcohol. Some specimens were stained with Gomori’s trichrome, dehydrated in absolute alcohol and cleared with faia creosote to observe the internal organs. Other specimens were mounted in Hoyer’s medium for the study of the sclerotized structures. The present study describes a new monogenetic species, Demidospermus osteomystax n. sp., characterized by: tandem gonads; V-shaped haptoral bars with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Auchenipterus osteomystax; Demidospermus; Parasite; Monogenea; Paraná river 2.13.00.00-3 Auchenipterus osteomystax; Demidospermus; Parasite; Monogenea; Paraná river Parasitologia.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/3368
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A new species of Diaphorocleidus (Monogenea: Ancyrocephalinae) from the gills of Argonectes robertsi (Characiformes) and new records of dactylogyrids parasitic on fishes from the Xingu River, Amazon Basin, Brazil Rev. Bras. Zool.
Moreira,Juliana; Scholz,Tomáš; Luque,José Luis.
ABSTRACT Diaphorocleidus altamirensis sp. nov., parasitic on the gills of Argonectes robertsi Langeani, 1999 from the Xingu River, northern Brazil, is described. The new species differs from its six congeners by the morphology of the male copulatory organ (which comprises a coil of six rings), by the midventral vagina, and by the presence of only one pair of eyespots. It is the first species of Diaphorocleidus Jogunoori, Kritsky & Venkatanarasaiah, 2004 described from hemiodontid fishes. In addition, new host and geographical records of seven species of dactylogyrids found on fish from the Xingu River are reported.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dactylogyridae; Hemiodontidae; Monogenea; Neotropics; Xingu River.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000403000
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A new species of Jainus (Monogenea), gill parasite of Schizodon borellii (Characiformes, Anostomidae) from the upper Paraná river floodplain, Brazil - doi: 10.4025/actascibiolsci.v33i2.6168 Biological Sciences
Karling, Letícia Cucolo; Universidade Estadual de Maringá; Bellay, Sybelle; Universidade Estadual de Maringá; Takemoto, Ricardo Massato; Universidade Estadual de Maringá; Pavanelli, Gilberto Cezar; Universidade Estadual de Maringá.
Jainus piava n. sp. is described from the gills of Schizodon borellii (Boulenger, 1900) (Characiform), commonly named as piava from the upper Paraná River floodplain, Brazil. The new species differs from the other members of Jainus in the following features: ventral bar thin broadly V-shaped and male copulatory organ (MCO) a coil of about 1.5 rings. Jainus piava n. sp. is similar to species of Jainus by having a ventral anchor base with flattened superficial root and elongate rodlike deep root.
Tipo: Descrição de espécie Palavras-chave: Parasitologia; Monogenea; Taxonomia Dactylogyridae; Ectoparasite; Fish; Piava parasitologia Dactylogyridae; Ectoparasite; Fish; Piava.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/6168
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Efectos del parasitismo sobre el tejido branquial en peces cultivados: estudio parasitologico e histopatologico Zoologia
Martins,Maurício Laterça; Romero,Nicolás Garcia.
One hundred four out of 225 diagnosticated cases were myxosporidian, monogenean, Ichthyophthirius multifiliis Fouquet, 1876 and bacterial diseases in Piaractus mesopotamicus Holmberg, 1887 (pacu), Colossoma macropomum Cuvier, 1818 (tambaqui) and tambacu, at Aquaculture Center, Universidade Estadual Paulista (UNESP), Jaboticabal, São Paulo, Brazil, between 1992 and 1995. The gills were fixed in 10% buffered formalin solution to posterior histologic routine. It was observed Henneguya sp. cysts into the capillaries of the secondary lamellae, encapsulated by the respiratory epithelium cells. It provoked adherence of the adjacent lamellae, hyperplasia, congestion, oedema and epithelium displacement. Monogeneans infestations by Anacanthorus penilabiatus Boeger,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Protozoa; Monogenea; Histopathology; Brazilian fish.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200017
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Molecular markers in studies on fish parasites (Platyhelminthes): Review Biological Sciences
Graça, Rodrigo Junio da; Fabrin, Thomaz Mansini Carrenho; Gasques, Luciano Seraphim; Prioli, Sônia Maria Alves Pinto; Prioli, Alberto José; Takemoto, Ricardo Massato.
Studies with molecular markers are currently more common for all groups of living organisms. Molecular techniques used in Platyhelminthes parasites of fishes do not merely reveal complex life cycles, but are important for species distinction and the elucidation of the phylogenetic hypothesis. Current research verified which molecular markers were mainly used phylogenetic studies on Platyhelminthes parasites of fish so that subsidies for further phylogenetic studies in Icthyoparasitology could be provided. Data base of CAPES Journals platform was employed for bibliometric analysis comprising the keywords “fish” and “phylogeny” associated with “Cestoda”, “Digenea” or “Monogenea”. Information retrieved was quantified and tabulated. Most studies were on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.00.00.00-6; 2.13.02.00-6; 2.13.02.02-2 Digenea; Cestoda; Monogenea; Ribosomal DNA; COI Biologia Molecular.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/29499
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Monogenea Naturalis
Cremers.
Tipo: Article in monograph or in proceedings Palavras-chave: Biodiversiteit; Nederland; Monogenea; 42.76.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/391878
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Morphological aspects of marine monogeneans (Platyhelminthes) parasitic on the gills of Auxis thazard (Lacépède) (Scombridae) from Rio de Janeiro, Brazil Zoologia
Mogrovejo,Cristina Dias; Lent,Herman; Santos,Cláudia Portes.
Allopseudaxine macrova (Unnithan, 1957), Churavera triangula (Mamaev, 1967), Hexostoma auxisi Palombi, 1943 and H. keokeo Yamaguti, 1968 are studied based on light and scanning electron microscopy. The previously proposed synonymy of H. auxisi and H. keokeo is not accepted. Morphological changes between juvenile and adult hexostomatids are highlighted.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allopseudaxine macrova; Churavera triangula; Hexostoma auxisi; Hexostoma keokeo; Monogenea.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752004000200007
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Parasites in farmed Piaractus brachypomus (Serrasalmidae) in the state of Acre, western Brazilian Amazonia Acta Amazonica
NEGREIROS,Luciano Pereira; TAVARES-DIAS,Marcos.
ABSTRACT This study investigated the parasite fauna in Piaractus brachypomus grown in fish farms in the state of Acre, in the western Brazilian Amazon. We examined 160 fish from four farms. Overall parasite prevalence was 66.9%. The fish were parasitized by Anacanthorus spathulatus, Mymarothecium viatorum, Anacanthorus penilabiatus, Clinostomum marginatum, Echinorhynchus jucundus and Henneguya sp., but monogenean species were the dominant parasites. Monogeneans showed an aggregated distribution pattern and there was a weak correlation between host size and abundance of M. viatorum and A. penilabiatus. No difference in the condition factor of parasitized and non-parasitized fish was detected. The fish of all farms had the gills parasitized by A. spathulatus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish farming; Monogenea; Endoparasites; Pirapitinga.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000400294
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Three new species of monogeneans parasitic on Atlantic cutlassfish Trichiurus lepturus (Perciformes: Trichiuridae) from Southeastern Brazil - doi: 10.4025/actascibiolsci.v34i3.10360 Biological Sciences
Carvalho, Adriano Reder de; Universidade Federal Rural do Rio de Janeiro; Luque, José Luis Fernando; Instituto Federal de Educação, Ciência e Tecnologia do Sudeste de Minas Gerais.
Three new species of monogeneans parasitic on the gills and esophagus of Trichiurus lepturus (Linnaeus, 1758) in the Southern Brazilian coast are described herein. Between July 2006 and June 2007, 120 specimens of T. lepturus were acquired from local fishermen in Guanabara Bay (23°1’52”S, 43º11’56”W), Rio de Janeiro State, Brazil. Pseudempleurosoma guanabarensis sp. nov. (Dactylogyridae) presented 15% prevalence and mean intensity 1.8, and differs from all congeners by presenting larger body, largest rectangular dorsal bar, and larger MCO with muscular sheath in the base. Encotyllabe souzalimae sp. nov. (Capsalidae) showed 7.5% prevalence and mean intensity 1.3, differs from all congeners by the size and position of the testes, morphology of the MCO, and...
Palavras-chave: Monogenea; Pseudempleurosoma; Encotyllabe; Octoplectanocotyla 2.13.02.02-2.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/10360
Registros recuperados: 9
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