Search Results - "Malabarba, Luiz R"

Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands by Ferrer, Juliano, Malabarba, Luiz R.

“…ABSTRACT The Neotropical genus Scleronema is revised based on the re-examination of the type specimens and 1,713 newly collected specimens. Scleronema is…”
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Relationships among major lineages of characid fishes (Teleostei: Ostariophysi: Characiformes), based on molecular sequence data by Javonillo, Robert, Malabarba, Luiz R., Weitzman, Stanley H., Burns, John R.

“…The family Characidae is a group of freshwater bony fishes that exhibits high species-level diversity and whose members inhabit parts of Texas, Mexico, and…”
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The genital and anal papillae of Compsura heterura (Characidae: Cheirodontinae): morphological structure and possible role in insemination by Lezama, Antônio Queiroz, Malabarba, Luiz R.

“…ABSTRACT The function of the genital and anal papillae for insemination in Compsura heterura is discussed based on the description of their morphologies at…”
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Phylogenetic relationships and description of two new species of Diapoma (Characidae: Stevardiinae) from the La Plata River basin by Ito, Priscila Madoka M., Carvalho, Tiago P., Pavanelli, Carla S., Vanegas-Ríos, James A., Malabarba, Luiz R.

“…Abstract Herein we describe two new species of Diapoma, one from the Negro River, a tributary of the Uruguay River in Brazil and Uruguay, and one from the…”
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Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil by Souza-Shibatta, Lenice, Tonini, João F R, Abrahão, Vitor P, Jarduli, Lucas R, Oliveira, Claudio, Malabarba, Luiz R, Sofia, Silvia H, Shibatta, Oscar A

“…The southern region of Brazil is characterized by high species diversity and endemism of freshwater fishes distributed across geographically isolated river…”
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Population Genetic Structure of Cnesterodon decemmaculatus (Poeciliidae): A Freshwater Look at the Pampa Biome in Southern South America by Ramos-Fregonezi, Aline M C, Malabarba, Luiz R, Fagundes, Nelson J R

“…The Pampas is a Neotropical biome formed primarily by low altitude grasslands and encompasses the southernmost portion of Brazil, Uruguay, and part of…”
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Descriptions of five new species of the Neotropical cichlid genus Gymnogeophagus Miranda Ribeiro, 1918 (Teleostei: Cichliformes) from the rio Uruguay drainage by Malabarba, Luiz R., Malabarba, Maria Claudia, Reis, Roberto E.

“…ABSTRACT Gymnogeophagus is a Neotropical cichlid genus distributed in the río Paraguay, rio Paraná and rio Uruguay drainages and also in the coastal rivers of…”
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A new mouth brooder species of Gymnogeophagus with hypertrophied lips (Cichliformes: Cichlidae) by Turcati, Andréia, Serra-Alanis, Wilson Sebastián, Malabarba, Luiz R.

“…ABSTRACT A new mouth breeder species of Gymnogeophagus is described from a tributary of the río Uruguay. It is distinguished from most species of the genus by…”
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Redescription and osteology of Hyphessobrycon compressus (Meek) (Teleostei: Characidae), type species of the genus by Carvalho, Fernando R., Malabarba, Luiz R.

“…The type-species of Hyphessobrycon is redescribed and its osteology provided. Hyphessobrycon compressus is distinguished from its congeners by the 41-48 (mode…”
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Comparison and optimization for DNA extraction of archived fish specimens by Silva, Priscilla C., Malabarba, Maria Claudia, Vari (In memoriam), Richard, Malabarba, Luiz R.

“…[Display omitted] The DNA extracted from museum alcohol-fixed specimens can be a valuable source of information for solving taxonomic, phylogenetic, ecological…”
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The phylogenetic placement of Hollandichthys Eigenmann 1909 (Teleostei: Characidae) and related genera by Thomaz, Andréa T., Malabarba, Luiz R., Bonatto, Sandro L.

“…[Display omitted] ► Phylogeny of Hollandichthys and related genera is investigated with 3 mtDNA and 2 nuclear genes. ► The genus Rachoviscus was found to be…”
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A new species of Gymnogeophagus Miranda Ribeiro from Uruguay (Teleostei: Cichliformes) by Loureiro, Marcelo, Zarucki, Matías, Malabarba, Luiz R., González-Bergonzoni, Iván

“…ABSTRACT We describe a new species of a substrate-brooding Gymnogeophagus , based on coloration characters. The new species can be distinguished from the…”
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A new stem fossil characid (Teleostei: Ostariophysi) from the Eocene-Oligocene of southeastern Brazil by Weiss, Fernanda E., Malabarba, Maria Claudia, Malabarba, Luiz R.

“…A new characiform is herein described from the Eocene-Oligocene sediments exposed in the Aiuruoca basin, in southern Minas Gerais State, Brazil. Recently, two…”
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Testing the effect of palaeodrainages versus habitat stability on genetic divergence in riverine systems: study of a Neotropical fish of the Brazilian coastal Atlantic Forest by Thomaz, Andréa T, Malabarba, Luiz R, Bonatto, Sandro L, Knowles, L. Lacey

“…AIM: Patterns of genetic variation within freshwater fish populations may reflect the historical impact of climate change on either sea‐level or environmental…”
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Inventory of the freshwater fishes from a densely collected area in South America-a case study of the current knowledge of Neotropical fish diversity by Bertaco, Vinicius A, Ferrer, Juliano, Carvalho, Fernando R, Malabarba, Luiz R

“…We herein analyse the history of the description of the freshwater fish fauna from three drainages in one of the most densely collected areas of Brazil, and…”
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Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits by Thomaz, Andréa T, Arcila, Dahiana, Ortí, Guillermo, Malabarba, Luiz R

“…The subfamily Stevardiinae is a diverse and widely distributed clade of freshwater fishes from South and Central America, commonly known as "tetras"…”
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A new species of Geophagus (Teleostei: Cichlidae): Naming a cichlid species widely known in the aquarium hobby as ‘Geophagus sp. Tapajos red head’ by Chuctaya, Junior, Nitschke, Pedro, Andrade, Marcelo C., Wingert, Juliana, Malabarba, Luiz R.

“…A new species of Geophagus sensu stricto is described from the Tapajos River basin, Brazil, elevating the number of species of the genus to 21. The new species…”
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The barcode trap—Description of a new species of Microglanis, with a review of the status of Microglanis cibelae (Siluriformes: Pseudopimelodidae) by Lehmann Albornoz, Pablo, Bartzen, César Sá, Malabarba, Luiz R.

“…In a recent study based on the generalized mixed Yule coalescent method for delimiting species, a threshold of 2% genetic distance using cytochrome c oxidase…”
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A new species of Odontostilbe cope (Characiformes: Cheirodontinae) from rio Madeira basin diagnosed based on morphological and molecular data by Chuctaya, Junior, Ohara, Willian M., Malabarba, Luiz R.

“…ABSTRACT A new species of Odontostilbe is described from the rio Jaciparaná, rio Madeira basin, Rondônia, Brazil. Odontostilbe pacaasnovos differs from all its…”
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Phylogenetic relationships and historical biogeography of Oligosarcus (Teleostei: Characidae): Examining riverine landscape evolution in southeastern South America by Wendt, Emília W., Silva, Priscilla C., Malabarba, Luiz R., Carvalho, Tiago P.

“…[Display omitted] •Oligosarcus was resolved as monophyletic, with high posterior probability.•Oligosarcus radiation occurred in the Pliocene around 4.13 Ma…”
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