2010
DOI: 10.1590/s1679-62252010000100004
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Abstract: H. crenuchoides by morphometric data. The absence of scale sheath covering the anal-fin base, an uncommon character in Characidae, and the endemism of the ichthyofauna from the upper rio Tocantins are discussed.Hasemania kalunga é descrita para a bacia do alto rio Tocantins, Chapada dos Veadeiros, Goiás, Brasil. A espécie nova distingue-se das suas congêneres pelo número de escamas perfuradas da linha lateral (11-21 vs. 5-9, exceto de H. crenuchoides e H. piatan), pela presença de uma mancha umeral preta e ver… Show more

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Cited by 21 publications
(6 citation statements)
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“…All five of these species (C. pristis, S. aster, S. lucindai, S. sterbai, and S. tocantinensis) are furthermore endemic to this drainage. This conforms to the pattern of ichthyofauna endemism in the Tocantins basin discussed by Bertaco & Carvalho (2010) and Bertaco et al (2011) who listed 42 species endemic to the upper portions of the rio Tocantins system. Species of Odontostilbe are relatively common and abundant across the Amazon basin (Bührnheim & Malabarba, 2006), in the río Orinoco drainage (Bührnheim & Malabarba, 2007) and in the Paraná-Paraguay basins (Malabarba, 2003).…”
Section: Discussionsupporting
confidence: 88%
“…All five of these species (C. pristis, S. aster, S. lucindai, S. sterbai, and S. tocantinensis) are furthermore endemic to this drainage. This conforms to the pattern of ichthyofauna endemism in the Tocantins basin discussed by Bertaco & Carvalho (2010) and Bertaco et al (2011) who listed 42 species endemic to the upper portions of the rio Tocantins system. Species of Odontostilbe are relatively common and abundant across the Amazon basin (Bührnheim & Malabarba, 2006), in the río Orinoco drainage (Bührnheim & Malabarba, 2007) and in the Paraná-Paraguay basins (Malabarba, 2003).…”
Section: Discussionsupporting
confidence: 88%
“…The altitude varies from 100 m above the sea level in the lower course of the river to 1.000 m in the high region of the basin (Santos et al 2004). The ichthyofauna of the rio Tocantins basin is closely related to the Amazon basin, especially in the lower course (Goulding et al 2003), but the rio Tocantins basin is remarkable by containing both a high degree of endemism and high diversity (Santos et al 2004;Hubert and Renno 2006;Lucinda et al 2007;Abell et al 2008;Bertaco and Carvalho 2010;Bertaco et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…The rediscovery of Astyanax goyanensis and the description of one new species, A. courensis, support the hypothesis that the upper rio Tocantins basin possesses a highly endemic ichthyofauna (Fisch-Müller et al, 2001Pereira & Lucinda, 2007;Bertaco & Carvalho, 2010), and the Tocantins-Araguaia ecoregion as a whole (sensu Abell et al, 2008), showing a high number of endemic freshwater fish species. The Chapada dos Veadeiros region inserted in the Brazilian Cerrado, is one of the world's biodiversity hotspots (Myers et al, 2000;Silva & Bates, 2002;Klink & Machado, 2005), sheltering endemic species in Plantae (Irwin & Arroyo, 1973;Pastore & Cavalcante, 2008;Pastore & Marques, 2009), Trichoptera (Calor, 2008), Anura (Bockermann, 1975;Caramaschi & Cruz, 2000), Aves (Silva, 1997;Tubelis, 2009), and Mammalia (Bonvicino et al, 2005).…”
Section: Discussionmentioning
confidence: 58%