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Registros recuperados: 6
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A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil Neotropical Ichthyology
Ribeiro,Frank Raynner V; Lucena,Carlos Alberto S. de; Oyakawa,Osvaldo T.
Pimelodus multicratifer, a new species, is described from the rio Ribeira de Iguape basin. The new species differs from the other Pimelodus species by the following features: 26 to 30 gill rakers on the first branchial arch; a combination of three to six rows of dark spots regularly or irregularly scattered on the flanks and several small dark spots irregularly scattered on the dorsal surface of head, supraoccipital process, and sometimes on the dorsal and caudal fins; striated lips; maxillary barbels reaching between posterior tip of the pelvic-fin rays and posterior tip of the middle caudal-fin rays.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Taxonomy; Catfish; Neotropical region; Coastal drainages.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000100011
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A new species of Pimelodus LaCépède, 1803 (Siluriformes: Pimelodidae) from the rio São Francisco drainage, Brazil Neotropical Ichthyology
Ribeiro,Frank Raynner V.; Lucena,Carlos Alberto S. de.
Pimelodus pohli, new species, is described from the rio São Francisco drainage. It differs from congeners by the following characters in combination: adults with dark spots on anterodorsal region of body and young specimens (up to 100 mm SL) with three rows of dark spots laterally on body; comparatively long adipose fin, more than one third of the distance between posterior end of dorsal fin base and the vertical through posterior end of anal-fin base (21.8-26.2% SL); lips poorly developed; 20-25 gill rakers; and maxillary barbels slightly surpassing the caudal-fin base. A key to the species of Pimelodus of the rio São Francisco drainage is presented.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Catfish; Taxonomy; South America; Neotropical.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000400004
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A taxonomic review of the species of CharaxScopoli, 1777 (Teleostei: Characidae: Characinae) with description of a new species from the rio Negro bearing superficial neuromasts on body scales, Amazon basin, Brazil Neotropical Ichthyology
Menezes,Naércio A.; Lucena,Carlos Alberto S. de.
The species of Charaxwere reviewed by Lucena (1987) who a little later (1989) added three new species to the genus. Examination of recently collected specimens from museum collections documented the more extensive geographic distribution for most species and revealed the existence of a new species in which superficial neuromasts were discovered and are herein described. These skin structures were also detected in C. metae Eigenmann, 1922. Anal- and pelvic-fin hooks previously observed only on the anal-fin of one species of the genus are described herein in some other species. Charax unimaculatus Lucena is considered a junior synonym of C. michaeli Lucena. All the species are redescribed and the new species described.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Freshwater fishes; Neotropical; Ostariophysi; Systematics.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000200193
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Astyanax taurorum a new species from dos Touros River, Pelotas River drainage, an upland southern Brazilian river (Characiformes: Characidae) Rev. Bras. Zool.
Lucena,Carlos Alberto S. de; Zaluski,Amanda Bungi; Lucena,Zilda Margarete Seixas de.
ABSTRACT A new species of Astyanax belonging to the Astyanax scabripinnis complex is described from dos Touros River, tributary of the Pelotas River, Uruguay River basin. Astyanax taurorum sp. nov. is distinguished from other species of the Astyanax scabripinnis species complex by having two humeral spots, the first vertically elongated; teeth of inner row of premaxilla with three to five cusps; 2-3 (modes 2 or 3) maxillary teeth; 20-23 (mode 22) branched anal-fin rays; 13-15 (mode 14) gill rakers on lower branch of the first branchial arch; 20-23 (mode 21) total gill rakers in first branchial arch; 33-36 (mode 35) perforated lateral line scales. Astyanax taurorum sp. nov. is similar to Astyanax paris; nevertheless, it can be readily distinguished from it...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Taxonomy; Rio Grande do Sul; Uruguay River; Distribution.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100326
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Nova espécie de Pimelodus (Siluriformes, Pimelodidae) dos rios Tapajós e Tocantins, Brasil Iheringia, Sér. Zool.
Ribeiro,Frank Raynner V.; Lucena,Carlos Alberto S. de.
Pimelodus tetramerus sp. nov. difere das outras espécies de Pimelodus Lacepède por sua coloração típica, que consiste de quatro faixas escuras sobre os lados do corpo, a primeira, mais dorsal, iniciando logo após o final da placa pré-dorsal e terminando no final da base da nadadeira adiposa; a segunda, mais larga que a primeira, logo acima da linha lateral, percorre desde a borda lateral do processo supra-occipital até a base da nadadeira caudal. Ambas faixas estão fragmentadas em sua porção anterior, formando pontos escuros que, ocasionalmente, podem estar unidos, compondo um padrão vermiculado. Tais pontos escuros e/ou padrão vermiculado se distribui sobre a região pré-dorsal e cabeça. A terceira faixa, tão larga quanto a segunda, logo abaixo da linha...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nova espécie; Mandi; Taxonomia; Baixo rio Amazonas.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212006000300008
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Pimelodus microstoma Steindachner, 1877, a valid species of pimelodid catfish (Siluriformes: Pimelodidae) from the upper rio Paraná drainage Neotropical Ichthyology
Ribeiro,Frank Raynner V.; Lucena,Carlos Alberto S. de.
Pimelodus microstoma, which has been treated as a junior synonym of P. fur, is resurrected and its type locality restricted to Irisanga (=Orissanga), São Paulo State, in the upper rio Paraná. An identification key is provided for Pimelodus species from the upper portions of the Paraná drainage.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Natterer; Geographic distribution; Type-locality; Pimelodus fur.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000100010
Registros recuperados: 6
Primeira ... 1 ... Última
 

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