Charax goeldii Fowler, 1913 a valid species of Galeocharax Fowler (Characiformes: Characidae)

Menezes, Naércio A.

doi:10.1590/s1679-62252007000100002

Cited by 5 publications

(7 citation statements)

References 4 publications

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“…With the exception of the number of lateral-line sacles (87 vs. 88-97 in the present study) and the number of teeth on outer row of premaxilla (12 vs. 8-10 in the present study), data provided by that author are included within the variation observed herein for G. goeldii. No variation in meristic and morphometric data associated with any geographic pattern was observed in specimens throughout the distribution range of the species, and the slight discrepancies in those counts of the holotype provided by Menezes (2007a) seem most probably related to the relative poor condition of the specimen associated to its small size. Scale rows around caudal peduncle…”

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 83%

“…Later, Menezes (1976) considered the species as a synonym of Galeocharax gulo, based on data presented by Géry (1972), but after examining the holotype of Charax goeldii and additional material from the rio Madeira basin, Menezes (2007a) recognized the species as valid in Galeocharax.…”

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

“…Although the holotype of Galeocharax goeldii was not examined during this study, meristic data of the specimen presented by Fowler (1913); Géry (1972) and Menezes (2007a) are summarized on Tab. 5.…”

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

“…There are some small differences in the numbers provided by the various authors that could be due to differences in the way of couting, or the condition of the specimen could render the counting difficult. Menezes (2007a) provided the most recent and complete information on the specimen. With the exception of the number of lateral-line sacles (87 vs. 88-97 in the present study) and the number of teeth on outer row of premaxilla (12 vs. 8-10 in the present study), data provided by that author are included within the variation observed herein for G. goeldii.…”

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

“…The presence of the parasitic isopoda (Braga The latest taxonomic revision of the genus was carried out by who recognized three valid species: Galeocharax humeralis (Valenciennes, 1834) from the rio Paraguai and the lower rio Paraná basins; Galeocharax gulo (Cope, 1870) from the rio Amazonas and the rio Tocantins basins and Galeocharax knerii (Steindachner, 1879) from the upper rio Paraná basin. At that time, Menezes considered Galeocharax goeldii (Fowler, 1913) from the rio Madeira basin, as a synonym of G. gulo, but more recently, after the examination of additional specimens, the species was recognized as valid (Menezes, 2007a).…”

Section: Introductionmentioning

confidence: 99%

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Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)

2017

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The taxonomy of Galeocharax, a genus of freshwater fishes distributed in most South American cis-Andean river systems, except the rio Negro, rio São Francisco and rio Xingu basins and the eastern drainages of Brazil, is herein revised. A total of 1229 specimens were examined from which 680 had meristic and morphometric data taken. Osteological and morphological features were also examined through radiographs, scanning electron microscopy and in cleared and stained specimens. Three of the four species previously considered as valid are herein recognized: Galeocharax humeralis from rio Paraguay and lower rio Paraná basins; Galeocharax goeldii, from rio Madeira basin, with records of geographical distribution expanded to the río Madre de Dios, río Beni, rio Mamoré and rio Guaporé basins and Galeocharax gulo, which is widespread throughout rio Amazonas, río Orinoco, rio Tocantins, and upper rio Paraná basins. Galeocharax knerii is herein considered a junior synonym of Galeocharax gulo. A key to species of Galeocharax is presented.Keywords: Key of identification, Ostariophysi, Systematics, Widespread species.A taxonomia de Galeocharax, um gênero de peixes de água doce distribuído nos principais sistemas hídricos da América do Sul cisandina, com exceção da bacia do rio Negro, do rio São Francisco, do rio Xingu e das drenagens litorâneas do leste, é aqui revisada. Foram examinados 1229 exemplares, dos quais 680 tiveram dados merísticos e morfométricos tomados. Características osteológicas e morfológicas também foram examinadas por meio de radiografias, microscopia eletrônica de varredura e exemplares diafanizados. Três das quatro espécies previamente consideradas válidas são reconhecidas: Galeocharax humeralis das bacias do rio Paraguai e baixo rio Paraná; Galeocharax goeldii da bacia do rio Madeira, com registros de distribuição geográfica ampliados para as bacias dos rios Madre de Dios, Beni, Mamoré e Guaporé, e Galeocharax gulo amplamente distribuída nas bacias dos rios Amazonas, Orinoco, Tocantins e alto rio Paraná. Galeocharax knerii foi considerada sinônimo júnior de Galeocharax gulo. Uma chave de identificação para as espécies de Galeocharax é apresentada.Palavras-chave: Chave de identificação, Espécies amplamente distribuídas, Ostariophysi, Sistemática.

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Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 83%

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

Section: Remarks Galeocharax Goeldii Was Originally Described Asmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)

2017

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Phylogenomic analysis of the Neotropical fish subfamily Characinae using ultraconserved elements (Teleostei: Characidae)

Souza

Melo

Mattox

et al. 2022

Molecular Phylogenetics and Evolution

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Phylogenetic study of the Characinae (Teleostei: Characiformes: Characidae)

Mattox

Toledo-Piza

2012

Zoological Journal of the Linnean Society

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The Characinae is a subunit of the Characidae of special significance in including Charax, the type genus of the family and the order Characiformes. Twelve genera and 79 species have been traditionally assigned to the Characinae, but the subfamily still lacks a phylogenetic diagnosis. Herein, a data matrix including 150 morphological characters and 64 taxa (35 species representing all genera of the Characinae and 29 included in other lineages within the Characiformes) was submitted to two cladistic analyses that differ in the inclusion/exclusion of Priocharax due to the difficulty of coding most of the character states in the miniature species of this genus. Both analyses resulted in a non‐monophyletic Characinae and this subfamily is herein restricted to only seven of the original 12 genera forming the clade (Phenacogaster((Charax Roeboides)(Acanthocharax(Cynopotamus(Acestrocephalus Galeocharax))))), which is supported by ten non‐ambiguous synapomorphies and is more closely related to other genera of the Characidae than those traditionally placed in the subfamily. A second clade includes the members of the tribe Heterocharacini (Lonchogenys(Heterocharax Hoplocharax)) as the sister‐group of Gnathocharax, supported by seven non‐ambiguous synapomorphies. This clade is more closely related to a taxon formed by Roestes and Gilbertolus based on seven non‐ambiguous synapomorphies. Results do not corroborate a close relationship between Roestes–Gilbertolus and the Cynodontinae. Inclusion of the genus Priocharax suggests that it is related more closely to the Heterocharacini, but the profound modifications in its anatomy possibly related to ontogenetic truncations obscure a better understanding of its relationships. A new classification of the Characinae and the Heterocharacinae is proposed. © 2012 The Linnean Society of London, Zoological Journal of the Linnean Society, 2012, 165, 809–915.

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Charax goeldii Fowler, 1913 a valid species of Galeocharax Fowler (Characiformes: Characidae)

Cited by 5 publications

References 4 publications

Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)

Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)

Phylogenomic analysis of the Neotropical fish subfamily Characinae using ultraconserved elements (Teleostei: Characidae)

Phylogenetic study of the Characinae (Teleostei: Characiformes: Characidae)

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