Search Results - "Machado‐Allison, Antonio"

A new species of Piaractus (Characiformes: Serrasalmidae) from the Orinoco Basin with a redescription of Piaractus brachypomus by Escobar L., Maria D., Ota, Rafaela P., Machado‐Allison, Antonio, Andrade‐López, Juana, Farias, Izeni P., Hrbek, Tomas

“…Piaractus orinoquensis, a new species of serrasalmid fish, is described from the Orinoco River basin. The new species differs from congeners by having a…”
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Harttia merevari, a new species of catfish (Siluriformes: Loricariidae) from Venezuela by Provenzano R., Francisco(Universidad Central de Venezuela Instituto de Zoología Tropical), Machado-Allison, Antonio(Universidad Central de Venezuela Instituto de Zoología Tropical), Chernoff, Barry(Wesleyan University Department of Biology & Dept. Earth & Environmental), Willink, Phil(Field Museum Department of Zoology), Petry, Paulo(Harvard University Museum of Comparative Zoology Department of Ichthyology)

“…Harttia merevari, a new species of loricariid catfish, is described from eight specimens captured in the upper Caura River, Orinoco River basin, Venezuela. The…”
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Geographic and environmental variation in Bryconops sp. cf. melanurus (Ostariophysi: Characidae) from the Brazilian Pantanal by Sidlauskas, B.(University of Chicago (USA)), Chernoff, B, Machado-Allison, A

“…Morphometric analyses of 220 specimens of a characid, Bryconops sp. cf. melanurus, from the Brazilian Pantanal were used to describe allometric growth in that…”
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Seasonal fluctuations in taxonomic and functional diversity in assemblages of catfishes in the Venezuelan Arauca River Floodplain by Echevarría, Gabriela, Rodríguez, Jon Paul, Machado-Allison, Antonio

“…The Arauca River harbors a considerable fish biodiversity, yet it remains poorly sampled and the knowledge about its fish communities is incomplete. We studied…”
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Aequidens superomaculatum (Teleostei: Cichlidae) a new species from the upper Orinoco and Río Negro, Venezuela by Jaime Hernán Hernández-Acevedo, Antonio Machado-Allison, Carlos A. Lasso

“…A new species, Aequidens superomaculatum, is described from the Casiquiare Canal drainage and the upper reaches of the Orinoco and Negro rivers (Venezuela)…”
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Megapiranha paranensis, a New Genus and Species of Serrasalmidae (Characiformes, Teleostei) from the Upper Miocene of Argentina by Luis Cione, Alberto, Dahdul, Wasila M, Lundberg, John G, Machado-Allison, Antonio

“…Megapiranha paranensis from the Upper Miocene of Argentina is described based on a large, partially toothed premaxilla as a new genus and species of…”
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Fish species of the Orinoco Basin. Part I: Species list and distribution according to subbasins by Carlos A. Lasso, José Iván Mojica, José Saulo Usma, Javier A. Maldonado-Ocampo, Carlos DoNascimiento, Donald C. Taphorn, Francisco Provenzano, Óscar M. Lasso-Alcalá, Lucena Vásquez, Myriam Lugo, Antonio Machado-Allison, Ramiro Royero, César Suárez, Armando Ortega-Lara

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Characid Fishes of the Genus Ceratobranchia, with Descriptions of New Species from Venezuela and Peru by Chernoff, Barry, Machado-Allison, Antonio

“…The genus Ceratobranchia Eigenmann comprises five species (two new) of relatively small characids, <60 mm SL, from Peru, Ecuador and Venezuela. Morphometric…”
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Miocene Characid Fishes from Colombia: Evolutionary Stasis and Extirpation by Lundberg, John G., Machado-Allison, Antonio, Kay, Richard F.

“…Fossil fishes from the Miocene La Venta fauna of the Magdalena River Valley, Colombia, are identified as Colossoma macropomum (Characidae), a living species…”
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STUDIES ON THE SYSTEMATICS OF THE SUBFAMILY SERRASALMINAE (PISCES-CHARACIDAE) by MACHADO-ALLISON, ANTONIO JOSE

“…The subfamily Serrasalminae is a broadly distributed group of South American fresh water fishes. It includes thirteen genera, several of them of commercial…”
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Seasonal organization of Siluriformes assemblages by their morphological traits in the Arauca river floodplain, Venezuela by Echevarría, Gabriela, Rodríguez, Jon Paul, Machado-Allison, Antonio

“…This study analyzed the functional organization of Siluriformes assemblages during one hydrological cycle in the floodplain of the Arauca River, in Venezuela,…”
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Anatomia e histologia de los ciegos piloricos en cinco especies de peces de la familia characidae by Medina Perozo, Zulamita, Martínez Leones, Teresa, Machado Allison, Antonio, Bonilla Rivero, Ana, López Rojas, Héctor

“…Se realizaron análisis macro y microscópicos de los ciegos pilóricos en las especies Mylossoma acanthogaster, M. duriventre, M. aureum, Pygocentrus cariba y…”
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Food Habits and Morphological Changes during Ontogeny in Three Serrasalmin Fish Species of the Venezuelan Floodplains by Machado-Allison, Antonio, Garcia, Carmen

“…Since Eigenmann (1915), Gosline (1951) and Myers (1972), three genera of serrasalmin fishes, Pristobrycon, Pygocentrus and Serrasalmus , have been considered…”
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Systematic Status and Neotype Designation for Autanichthys giacopinii Fernández-Yépez with Comments on the Morphology of Bryconops melanurus (Bloch) by Chernoff, Barry, Machado-Allison, Antonio, Buckup, Paulo Andreas, Leon, Ramiro Royero

“…In 1950, Fernandez-Yepez reported on a small collection of fishes from the Rio Autana, Federal Territory of Amazonas, Venezuela. Therein, eight species and…”
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Ecological Studies in Tropical Fish Communities by Lopez-Rojas, Hector, Machado-Allison, Antonio, Mago-Leccia, Francisco

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Anatomía e Histología de los Ciegos Pilóricos en Cinco Especies de Peces de la Familia Characidae by Zulamita Medina Perozo, Teresa Martínez Leones, Antonio Machado Allison, Ana Bonilla Rivero, Héctor López Rojas

“…Se realizaron análisis macro y microscópicos de los ciegos pilóricos en las especies Mylossoma acanthogaster, M. duriventre, M. aureum, Pygocentrus cariba y…”
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Peces de la cuenca del río Orinoco. Parte I: listade especies y distribución por subcuencas by Carlos A. Lasso, José Iván Mojica, José Saulo Usma, Javier A. Maldonado O, Carlos DoNascimiento, Donald C. Taphorn, Francisco Provenzano, Óscar M. Lasso Alcalá, Germán Galvis, Lucena Vásquez, Myriam Lugo, Antonio Machado Allison, Ramiro Royero, César Suárez, Armando Ortega Lara

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