Produção Nacional
Thiago Silva Loboda, Marcelo R. de Carvalho,
A systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species complex in the Paraná-Paraguay basin based on morphological characters was undertaken. Morphological systems analyzed include ... the ventral lateral-line system, and skeletal components. Potamotrygon motoro is widely distributed in the Paraná-Paraguay ... present in upper and lower jaws of adults. Potamotrygon pauckei Castex, 1963 and Potamotrygon labradori Castex, Maciel & Achenbach, 1963, are synonymized with P. motoro; Potamotrygon alba Castex, 1963, is a nomen dubium in ...
Tópico(s): Fish Biology and Ecology Studies
2013 - Sociedade Brasileira de Ictiologia | Neotropical Ichthyology
Produção Nacional
Revisado por pares
... confirmed the occurrence of a new species of Potamotrygon first discovered more than two decades ago but ... ongoing revision of the diverse Tocantins potamotrygonid assemblage. Potamotrygon rex, sp. nov., is a very large, "black ... rio Araguaia; both species do not co-occur. Potamotrygon rex, sp. nov., has a unique blackish to ... spots on ventral disc, pelvic fins and tail. Potamotrygon rex, sp. nov., can be further distinguished by ... having two angular cartilages associated with each hyomandibula. Potamotrygon rex, sp. nov., P. henlei, P. leopoldi Castex & ...
Tópico(s): Fish biology, ecology, and behavior
2016 - Q15088586 | Zootaxa
Produção Nacional
João Paulo Capretz Batista Da Silva, Marcelo R. de Carvalho,
... nominal species of freshwater stingrays of the genus Potamotrygon previously considered valid, Potamotrygon falkneri Castex & Maciel, 1963 and Potamotrygon castexi Castello & Yagolkowski, 1969, was conducted based on ... enough for separation at the specific level. Consequently, Potamotrygon falkneri is considered valid, whereas the nominal species Potamotrygon castexi and Potamotrygon menchacai are concluded to be junior synonyms of ... from few individuals, is here provisionally treated as Potamotrygon sp.
Tópico(s): Fish Biology and Ecology Studies
2011 - Sociedade Brasileira de Ictiologia | Neotropical Ichthyology
Produção Nacional
Revisado por pares
Marcelo R. de Carvalho, Mark H. Sabaj Pérez, Nathan R. Lovejoy,
... in the upper Río Amazonas basin of Peru. Potamotrygon tigrina, n. sp., is easily distinguished from all ... of creamy white and dark brown to black. Potamotrygon tigrina is closely related to Potamotrygon schroederi Fernandez-Yépez, 1958, which occurs in the ... that presently do not warrant their specific separation. Potamotrygon tigrina is frequently commercialized in the international aquarium ...
Tópico(s): Fish Biology and Ecology Studies
2011 - Q15088586 | Zootaxa
Produção Nacional
Revisado por pares
João Pedro Fontenelle, João Paulo Capretz Batista Da Silva, Marcelo R. de Carvalho,
Potamotrygon limai, sp. nov., is described from the Jamari River, upper Madeira River system (Amazon basin), state ... over the posterior disc and tail-base regions. Potamotrygon limai, sp. nov., can be further distinguished from ... and tail regions, among other features discussed herein. Potamotrygon limai, sp. nov., is most similar to, and ... features including size at maturity and meristic characters. Potamotrygon limai, sp. nov., is also distinguished from other species of Potamotrygon occurring in the Amazon region, except P. scobina, ...
Tópico(s): Fish Biology and Ecology Studies
2014 - Q15088586 | Zootaxa
Produção Nacional
Revisado por pares
João Paulo Capretz Batista Da Silva, Marcelo R. de Carvalho,
... the taxonomic status of the related nominal species Potamotrygon dumerilii (Castelnau, 1855), Potamotrygon reticulata (Günther, 1880), and Potamotrygon humerosa Garman, 1913, are defined. Taxonomic and morphological ... Suriname and the Guianas. Additionally, P. humerosa and Potamotrygon marinae Deynat, 2007 were found to present characters ... and are redescribed based on newly collected material. Potamotrygon humerosa occurs predominantly in the mid and lower ...
Tópico(s): Fish Biology and Ecology Studies
2015 - Q15088586 | Zootaxa
Produção Nacional
Revisado por pares
... common in the ornamental fish trade, are described. Potamotrygon albimaculata sp. nov. is part of the black ... but about as wide as the anterior angular. Potamotrygon jabuti sp. nov. is diagnosed by its marbled ... stingray species, but additional species probably also occur. Potamotrygon motoro, P. orbignyi, P. humerosa, Potamotrygon sp., and Paratrygon aiereba are present in the ... mid and upper Tapajós, along with another form (Potamotrygon cf. scobina) known only from the region of ...
Tópico(s): Fish Biology and Ecology Studies
2016 - Q15088586 | Zootaxa
Produção Nacional
Revisado por pares
João Pedro Fontenelle, Nathan R. Lovejoy, Matthew A. Kolmann, Fernando P. L. Marques,
... Paratrygon and Heliotrygon and the monophyly of the Potamotrygon + Plesiotrygon clade. Within the Potamotrygon + Plesiotrygon clade, we identify a core Potamotrygon clade characterized by short branches, low nodal support ... with current species-level taxonomy. In the core Potamotrygon clade, specimens of widespread species, such as Potamotrygon motoro and Potamotrygon orbignyi, do not form monophyletic lineages; instead, specimens ...
Tópico(s): Fish Biology and Ecology Studies
2021 - Oxford University Press | Biological Journal of the Linnean Society
Produção Nacional
Thiago Buosi Silva, Virgínia Sanches Uieda,
... system. In the present work, the diet of Potamotrygon falkneri and Potamotrygon motoro, captured in the Upper Paraná River, downstream ... Only one individual of each species ingested fish. Potamotrygon motoro consumed mainly Ephemeroptera, while P. falkneri consumed ...
Tópico(s): Fish Biology and Ecology Studies
2007 - Fundação de Amparo à Pesquisa do Estado de SP | Biota Neopropica/Biota Neotropica
Produção Nacional
Revisado por pares
Kharita W. Magalhães, Carla Lima, Ana Amélia Piran-Soares, Elineide Eugênio Marques, Clélia Akiko Hiruma-Lima, Mônica Lopes‐Ferreira,
... biological and some biochemical properties of the Brazilian Potamotrygon fish venoms (Potamotrygon cf. scobina and P. gr. orbignyi). Both stingray ...
Tópico(s): Zebrafish Biomedical Research Applications
2006 - Elsevier BV | Toxicon
Produção Nacional
Revisado por pares
Fernando Moraes Machado Brito, Gustavo da Silva Claudiano, Jefferson Yunis‐Aguinaga, Antônio Vicente Mundim, Marcos Tavares‐Dias, Pedro H. O. Viadanna, Julieta Rodini Engrácia de Moraes, Flávio Ruas de Moraes,
... teve como objetivo determinar estas variáveis em <em>Potamotrygon motoro </em>e <em>P. falkneri </em>na ... capturado um total de 53 espécimes de <em>Potamotrygon </em>spp. para colheita de sangue e avaliações ... e os resultados com diferenças significativas entre <em>Potamotrygon falkneri</em>, <em>P. motoro, P. orbigni </em> ... tiroxina (T4) não diferiram entre as espécies de Potamotrygon. Porem, os níveis de albumina, glicose, colesterol total, ...
Tópico(s): Fish Ecology and Management Studies
2015 - UNIVERSIDADE DE SÃO PAULO | Brazilian Journal of Veterinary Research and Animal Science
Produção Nacional
Revisado por pares
João Pedro Fontenelle, Marcelo R. de Carvalho,
Potamotrygon scobina Garman, 1913, described from Cametá, rio Tocantins, lower Amazon basin, is taxonomically reviewed through an ... related to P. scobina are described from Brazil: Potamotrygon adamastor, sp. nov., from rio Uraricoera, rio Branco system, upper Amazon basin; Potamotrygon amazona, sp. nov., from rio Juruá, upper Amazon basin; and Potamotrygon garmani, sp. nov., from the mid to upper ...
Tópico(s): Fish Biology and Ecology Studies
2017 - Q15088586 | Zootaxa
Chelsea Anderson, James D. Gillis, Sarah Miller, Michelle Davis,
... of left unilateral ovariectomy in 3 species of Potamotrygon rays-Potamotrygon castexi, Potamotrygon leopoldi, and Potamotrygon motoro-for reproductive management.Between 2018 and 2019, multiple Potamotrygon rays (P castexi, n = 1; P leopoldi, 1; ... in a mixed-species freshwater touch pool of Potamotrygon rays and teleost species.In December 2020, 3 ...
Tópico(s): Ichthyology and Marine Biology
2023 - American Veterinary Medical Association | Journal of the American Veterinary Medical Association
Alessandra Pasian Lonardoni, Erivelto Goulart, Edson Fontes de Oliveira, Milza Celi Fedatto Abelha,
Feeding habits and trophic overlap of freshwater stingrays Potamotrygon falkneri e Potamotrygon motoro were evaluated in the upper Paraná river ...
Tópico(s): Fish Biology and Ecology Studies
2007 - Editora da Universidade Estadual de Maringá (Eduem) | Acta Scientiarum Biological Sciences
Produção Nacional
Revisado por pares
Marcus V. Domingues, Norberto C.M. Pancera, Fernando P. L. Marques,
... n. were found parasitizing an undescribed species of Potamotrygon; Potamotrygonocotyle rarum sp. n. is described from Potamotrygon schroederi; Potamotrygonocotyle rionegrense inhabits Potamotrygon cf. motoro; Potamotrygonocotyle aramasae sp. n. is a ... Paratrygon aiereba; and Paraheteronchocotyle amazonense is reported from Potamotrygon orbignyi. The diagnosis of Paraheteronchocotyle is emended, and ...
Tópico(s): Fish Biology and Ecology Studies
2007 - Institute of Parasitology of the Czech Academy of Sciences | Folia Parasitologica
Produção Nacional
Revisado por pares
João Paulo Capretz Batista Da Silva, Marcelo R. de Carvalho,
Potamotrygon tatianae sp. nov., is described from Río Madre de Díos, Peru, upper Rio Madeira basin. The ... a relatively longer tail posterior to caudal stings. Potamotrygon tatianae sp. nov., occurs sympatrically with other species of Potamotrygon (P. falkneri, P. orbignyi and P. motoro). From ...
Tópico(s): Fish Biology and Ecology Studies
2011 - UNIVERSIDADE DE SÃO PAULO | Papéis Avulsos de Zoologia
Produção Nacional
Renata G. Frederico, Izeni Pires Farias, Maria Lúcia Góes de Araújo, Patrícia Charvet, José Alves-Gomes,
... Potamotrygonidae is monophyletic comprising three genera: Paratrygon Duméril, Potamotrygon Garman and Plesiotrygon Rosa, Castello & Thorson. The distribution ... to a single basin or fluvial system. Only Potamotrygon motoro, Potamotrygon orbignyi and Paratrygon aiereba are found in more ... is similar to the interspecific divergence observed in Potamotrygon spp. sampled throughout the same geographic area. Using ...
Tópico(s): Fish Ecology and Management Studies
2012 - Sociedade Brasileira de Ictiologia | Neotropical Ichthyology
Produção Nacional
Revisado por pares
Marcelo R. de Carvalho, Ricardo de Souza Rosa, Maria Lúcia Góes de Araújo,
A new species of Potamotrygon is described from the Rio Negro drainage, Amazonas, Brazil. In spite of being cited or pictured several times in the ... been misidentified and still lacked a scientific name. Potamotrygon wallacei, n. sp., is diagnosed by the following ... on disc margins; small body size (smallest known Potamotrygon species; largest examined specimen measured 310 mm DW); ...
Tópico(s): Fish Biology and Ecology Studies
2016 - Q15088586 | Zootaxa
Produção Nacional
Revisado por pares
Juliana Luiza Varjão Lameiras, Valéria Mourão de Moura, Lucas Castanhola Dias, Ilia Gilmara Carvalho dos Santos, Oscar Tadeu Ferreira da Costa, Maria Cristina Dos‐Santos,
... using extract from the stinger of the stingray Potamotrygon motoro and the other using extract from the ... blot and dot ELISA: Paratrygon aiereba, Plesiotrygon iwamae, Potamotrygon orbignyi and Potamotrygon schroederi. The results show that the dorsal extract ...
Tópico(s): Marine Invertebrate Physiology and Ecology
2017 - Taylor & Francis | Toxin Reviews
Filipe Santos‐Silva, Yu Huang, Vítor Yang, Xidong Mu, Qiong Shi, Agostinho Antunes,
... including cartilaginous fish such as the freshwater stingray Potamotrygon motoro occurring in South America, which can injure ... venom gland of the South American freshwater stingray Potamotrygon motoro. The transcripts retrieved showed 418 hits to ... to 426 and 396 hits in other two Potamotrygon species), with high expression levels of hyaluronidase, cystatin ...
Tópico(s): Zebrafish Biomedical Research Applications
2018 - Multidisciplinary Digital Publishing Institute | Toxins
Produção Nacional
Revisado por pares
João Paulo Capretz Batista Da Silva, Thiago Silva Loboda,
Abstract Potamotrygon marquesi , sp. nov., is described and compared with other species of Potamotrygon occurring in the Amazon Basin. The identity of ... used to further distinguish P. marquesi from congeners. Potamotrygon marquesi was first considered to fall within the ...
Tópico(s): Fish Biology and Ecology Studies
2019 - Wiley | Journal of Fish Biology
Produção Nacional
Revisado por pares
DAMIRES SANCHES, Thais Martins, Ítalo Lutz, Ivana Veneza, Raimundo da Silva, Felipe Araújo, Janice Muriel‐Cunha, Iracilda Sampaio, Magali Gonçalves Garcia, Leandro Melo de Sousa, Grazielle Gomes,
... basin, Brazil, occurs two genera of Potamotrygonidae family: Potamotrygon and Paratrygon. In this region, the taxa have ... fishing industry, being intensively captured, especially the species Potamotrygon leopoldi, which is endemic to this basin. In ... Cytochrome B (Cytb) of five species: P. leopoldi; Potamotrygon orbignyi; Potamotrygon motoro; Potamotrygon scobina and Paratrygon aiereba. We found haplotype sharing, ...
Tópico(s): Fish Ecology and Management Studies
2021 - Brazilian Academy of Sciences | Anais da Academia Brasileira de Ciências
Produção Nacional
Revisado por pares
Vanessa P. Cruz, Maria Lígia Marques de Oliveira, Fabilene Gomes Paim, Aisni Mayumi Correia de Lima Adachi, Giovana da Silva Ribeiro, Daniela Cristina Ferreira, José Carlos Pansonato-Alves, Patrícia Charvet, Cláudio Oliveira, F. Foresti,
The chromosomes of two freshwater stingrays, Potamotrygon motoro and Potamotrygon sp., from the Amazon River basin in Brazil were investigated using integrated molecular (cytochrome c oxidase subunit 1) and cytogenetic analyses. Potamotrygon motoro presented intraspecific variation in the diploid number, ... females and 2n=65 in the males, while Potamotrygon sp. had a karyotype with 66 chromosomes, in ... pairs in P. motoro and seven chromosomes in Potamotrygon sp. The rDNA 5S sequences were found in ... on the COI sequences, between P. motoro and Potamotrygon sp. from Amazon River was 10.8%, while ...
Tópico(s): Fish Biology and Ecology Studies
2021 - Brazilian Society of Genetics | Genetics and Molecular Biology
Daniel R. Brooks, Thomas B. Thorson,
... tetraphyllidean cestodes are described from the freshwater stingray Potamotrygon magdalenae from Colombia.The new genus Potamotrygonocestus is ... rather than canoe-shaped bothridia; and by parasitizing Potamotrygon magdalenae rather than P. hystrix.
Tópico(s): Marine Ecology and Invasive Species
1976 - American Society of Parasitologists | Journal of Parasitology
Yuen K. Ip, Ai M. Loong, Biyun Ching, Guo-Hong Tham, Wai Peng Wong, Shit F. Chew,
... aimed to examine whether the stenohaline freshwater stingray, Potamotrygon motoro, which lacks a functional ornithine-urea cycle, ... expression of GS in response to salinity stress. Potamotrygon motoro was not nitrogen (N) limited when exposed ...
Tópico(s): Aquaculture Nutrition and Growth
2009 - The Company of Biologists | Journal of Experimental Biology
Produção Nacional
Ricardo de Souza Rosa, Marcelo R. de Carvalho, Cristiane de Almeida Wanderley,
Potamotrygon boesemani, new species, is described from the Corantijn river drainage in Surinam. The species has a ... irregular form, encircled by relatively broad black rings. Potamotrygon boesemani is distinguished from other ocellated congeners (P. ...
Tópico(s): Fish Biology and Ecology Studies
2008 - Sociedade Brasileira de Ictiologia | Neotropical Ichthyology
Guillermo Schmeda‐Hirschmann, Carla Delporte, Gabriela Valenzuela-Barra, Ximena Silva, Gabriel Vargas-Arana, Beatriz Lima, Gabriela E. Feresin,
... and fats from the fishes Electrophorus electricus and Potamotrygon motoro, the reptiles Boa constrictor, Chelonoidis denticulata (Geochelone ... ear edema assay.The most active drugs were Potamotrygon motoro, Melanosuchus niger and Geochelone denticulata.In the ... induced assay, the best activity was found for Potamotrygon motoro and Electrophorus electricus oil.The oil of ...
Tópico(s): Meat and Animal Product Quality
2014 - Elsevier BV | Journal of Ethnopharmacology
Produção Nacional
Revisado por pares
Danilo Ramón Aichino, M.C. Pastori, Héctor Alberto Roncati, Mario Angel Ledesma, Ana Claúdia Swarça, A.S. Fenocchio,
... and is composed of 4 genera: Plesiotrygon, Paratrygon, Potamotrygon, and Heliotrygon. Individuals of Potamotrygon motoro were collected from the Paraná River at ...
Tópico(s): Animal Genetics and Reproduction
2013 - Research Foundation of Ribeirão Preto | Genetics and Molecular Research
Produção Nacional
Revisado por pares
Adriano Teixeira de Oliveira, Márcio Quara de Carvalho Santos, Jefferson Raphael Gonzaga Lemos, Jackson Pantoja‐Lima, Paulo Henrique Rocha Aride, Marcos Tavares‐Dias, Jaydione Luíz Marcon,
... tres anticoagulantes em parâmetros sanguineos de arraias cururu Potamotrygon sp. O sangue de dez animais foi coletado ... coletadas com EDTA 5% e 10%. Em arraias Potamotrygon sp., para a conservacao de amostras de sangue ...
Tópico(s): Ichthyology and Marine Biology
2015 - UNIVERSIDADE FEDERAL DO AMAPÁ | Biota Amazônia
Produção Nacional
Revisado por pares
Nelson Jorge da Silva, Kalley Ferreira, Raimundo Pinto, Steven D. Aird,
... The present case involved a large freshwater stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in the Araguaia River in ... even eight months later. Chemistry and pharmacology of Potamotrygon venom and mucus, and clinical management of freshwater ...
Tópico(s): Marine Toxins and Detection Methods
2015 - Multidisciplinary Digital Publishing Institute | Toxins