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Systematics of Brycon (Teleostei: Ostariophysi: Characiformes: Characidae) genus: taxonomic revision of species from trans-Andean South America and Central America and Brycon pesu complex and Bryconinae phylogeny and biogeography

Grant number: 07/02978-7
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2007
Effective date (End): September 30, 2010
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal Investigator:Heraldo Antonio Britski
Grantee:Flávio César Thadeo de Lima
Host Institution: Museu de Zoologia (MZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The subfamily Bryconinae includes middle to large-sized fishes, distributed from southern Mexico to the Rio de La Plata in Argentina, and at the western versant of the Andean cordillera from Venezuela to Peru. Species from the subfamily are highly regarded and are among the most sought fishes in commercial, subsistence and amateur fisheries whenever they occur. Recent estimates by the author of the proposal put in 48 the number of recognizable species within the subfamily. The precise phylogenetic position of Bryconinae within Characidae is still a matter of dispute, but there is a relative consensus in considering both by morphological and molecular evidence the subfamily as basal within the family. In spite of the fact that considerable advances both in the taxonomical knowledge of the main genus withn the subfamily, Brycon, as well as the phylogenetic relationships within the subfamily have taken place in the last few years, several important questions on the taxonomy and phylogenetic relationships within Bryconinae remain to be elucidated. This project aims to fill the remaining gaps on the taxonomical and phylogenetical knowledge of the subfamily, which are the taxonomy from the species of the genus Brycon occurring at trans-Andean South America and Central America, the taxonomy of the Brycon pesu species complex, and to collaborate with ongoing phylogenetic hypothesis, both morphological and molecular on the subfamily, using the resulting hypothesis to understand vicariant events that might explain the current geographical ranges from the of Bryconinae. (AU)

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Scientific publications (15)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TEIXEIRA, TULIO F.; LIMA, FLAVIO C. T.; ZUANON, JANSEN. A New Hyphessobrycon Durbin from the Rio Teles Pires, Rio Tapajos Basin, Mato Grosso State, Brazil (Characiformes: Characidae). Copeia, n. 4, p. 612-621, . (07/02978-7, 12/01263-2)
VARELLA, HENRIQUE R.; KULLANDER, SVEN O.; LIMA, FLAVIO C. T.. Crenicichla chicha, a new species of pike cichlid (Teleostei: Cichlidae) from the rio Papagaio, upper rio Tapajós basin, Mato Grosso, Brazil. Neotropical Ichthyology, v. 10, n. 2, p. 233-244, . (07/02978-7)
ZAWADZKI, CLAUDIO H.; BIRINDELLI, JOSE L. O.; LIMA, FLAVIO C. T.. A new armored catfish species of the genus Hypostomus Lacépède, 1803 (Siluriformes: Loricariidae) from the upper rio Xingu basin, Brazil. Neotropical Ichthyology, v. 10, n. 2, p. 245-253, . (07/02978-7)
BIRINDELLI, JOSE L. O.; LIMA, FLAVIO C. T.; BRITSKI, HERALDO A.. New species of Pseudanos Winterbottom, 1980 (Characiformes: Anostomidae), with notes on the taxonomy of P. gracilis and P. trimaculatus. Zootaxa, n. 3425, p. 55-68, . (07/02978-7)
INGENITO, LEONARDO F. S.; LIMA, FLAVIO C. T.; BUCKUP, PAULO A.. A new species of Hyphessobrycon Durbin(Characiformes: Characidae) from the rio Juruena basin, Central Brazil, with notes on H. loweae Costa & Géry. Neotropical Ichthyology, v. 11, n. 1, p. 33-44, . (07/02978-7)
ZAWADZKI, CLAUDIO H.; BIRINDELLI, JOSE L. O.; LIMA, FLAVIO C. T.. A new pale-spotted species of Hypostomus Lacepede (Siluriformes: Loricariidae) from the rio Tocantins and rio Xingu basins in central Brazil. Neotropical Ichthyology, v. 6, n. 3, p. 395-402, . (07/02978-7)
LIMA, FLAVIO C. T.; WOSIACKI, WOLMAR B.; RAMOS, CRISTIANE S.. Hemigrammus arua, a new species of characid (Characiformes: Characidae) from the lower Amazon, Brazil. Neotropical Ichthyology, v. 7, n. 2, p. 153-160, . (07/02978-7)
MARINHO, MANOELA M. F.; LIMA, FLAVIO C. T.. Astyanax ajuricaba: a new species from the Amazon basin in Brazil (Characiformes: Characidae). Neotropical Ichthyology, v. 7, n. 2, p. 169-174, . (07/02978-7)
ALEXANDRE C. RIBEIRO; RODRIGO M. JACOB; RONNAYANA R. S. R. SILVA; FLÁVIO C. T. LIMA; DANIELA C. FERREIRA; KATIANE M. FERREIRA; TATIANE C. MARIGUELA; LUIZ H. G. PEREIRA; CLAUDIO OLIVEIRA. Distributions and phylogeographic data of rheophilic freshwater fishes provide evidences on the geographic extension of a central-brazilian amazonian palaeoplateau in the area of the present day Pantanal Wetland. Neotropical Ichthyology, v. 11, n. 2, p. 319-326, . (10/17009-2, 07/02978-7)
MAXIME, EMMANUEL L.; LIMA, FLAVIO C. T.; ALBERT, JAMES S.. A New Species of Gymnotus (Gymnotiformes: Gymnotidae) from Rio Tiquie in Northern Brazil. Copeia, n. 1, p. 77-81, . (07/02978-7)
CARVALHO, PEDRO HOLLANDA; LIMA, FLAVIO C. T.; ZAWADZKI, CLAUDIO H.. Two new species of the Hypostomus cochliodon group (Siluriformes: Loricariidae) from the rio Negro basin in Brazil. Neotropical Ichthyology, v. 8, n. 1, p. 39-48, . (07/02978-7)
LIMA, F. C. T.; CAIRES, R. A.; CONDE-SALDANA, C. C.; MIRANDE, J. M.; CARVALHO, F. R.. A new miniature Pristella (Actinopterygii: Characiformes: Characidae) with reversed sexual dimorphism from the rio Tocantins and rio Sao Francisco basins, Brazil. CANADIAN JOURNAL OF ZOOLOGY, v. 99, n. 5, p. 339-348, . (19/16999-3, 12/03404-2, 11/51532-7, 13/20936-0, 07/02978-7, 11/11422-8, 17/12909-4, 18/09767-6)

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