2016
DOI: 10.1590/1982-0224-20150176
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A new species of Bryconops (Ostariophysi: Characiformes: Characidae) from the upper rio Tocantins drainage, Brazil

Abstract: A new species of the genus Bryconops, subgenus Bryconops, is described from the rio Conceição, a tributary to the rio Palma, upper rio Tocantins drainage, Tocantins State, Brazil. The new species is distinguished from all its congeners, except B. humeralis and B. vibex by the color pattern in vivo (dorsal, adipose, and caudal fins entirely orange). The new species is easily distinguished from B. humeralis and B. vibex by the absence of a humeral spot and by the lack of maxillary teeth (vs. presence of a single… Show more

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Cited by 5 publications
(9 citation statements)
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References 11 publications
(7 reference statements)
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“…The subgenus Bryconops includes the species Bryconops alburnoides Kner, 1858, B . caudomaculatus (Günther, 1864), Bryconops collettei Chernoff & Machado-Allison, 2005, Bryconops disruptus Machado-Allison & Chernoff 1997, Bryconops durbinae (Eigenmann, 1908) Bryconops gracilis (Eigenmann, 1908), Bryconops hexalepis Guedes et al, 2019 [ 18 ], Bryconops magoi Chernoff & Machado Allison, 2005, Bryconops piracolina Wingert & Malabarba, 2011, Bryconops rheorubrum Silva-Oliveira et al, 2019, and Bryconops tocantinensis Guedes et al, 2016 [ 18 ]. The subgenus Creatochanes includes Bryconops allisoni Silva-Oliveira et al, 2019, Bryconops affinis (Günther, 1864), Bryconops chernoffi Silva-Oliveira et al, 2015, Bryconops colanegra Chernoff & Machado-Allison, 1999, Bryconops colaroja Chernoff & Machado-Allison, 1999, Bryconops cyrtogaster (Norman, 1926), Bryconops giacopinii (Fernández-Yépez, 1950), Bryconops humeralis Machado-Allison et al, 1996, Bryconops imitator Chernoff & Machado-Allison, 2002), Bryconops inpai Knöppel et al, 1968, Bryconops melanurus (Bloch, 1794), Bryconops sapezal Wingert & Malabarta, 2011, Bryconops vibex Machado-Allison et al, 1996 and Bryconops marabaixo Silva-Oliveira et al, 2019.…”
Section: Introductionmentioning
confidence: 99%
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“…The subgenus Bryconops includes the species Bryconops alburnoides Kner, 1858, B . caudomaculatus (Günther, 1864), Bryconops collettei Chernoff & Machado-Allison, 2005, Bryconops disruptus Machado-Allison & Chernoff 1997, Bryconops durbinae (Eigenmann, 1908) Bryconops gracilis (Eigenmann, 1908), Bryconops hexalepis Guedes et al, 2019 [ 18 ], Bryconops magoi Chernoff & Machado Allison, 2005, Bryconops piracolina Wingert & Malabarba, 2011, Bryconops rheorubrum Silva-Oliveira et al, 2019, and Bryconops tocantinensis Guedes et al, 2016 [ 18 ]. The subgenus Creatochanes includes Bryconops allisoni Silva-Oliveira et al, 2019, Bryconops affinis (Günther, 1864), Bryconops chernoffi Silva-Oliveira et al, 2015, Bryconops colanegra Chernoff & Machado-Allison, 1999, Bryconops colaroja Chernoff & Machado-Allison, 1999, Bryconops cyrtogaster (Norman, 1926), Bryconops giacopinii (Fernández-Yépez, 1950), Bryconops humeralis Machado-Allison et al, 1996, Bryconops imitator Chernoff & Machado-Allison, 2002), Bryconops inpai Knöppel et al, 1968, Bryconops melanurus (Bloch, 1794), Bryconops sapezal Wingert & Malabarta, 2011, Bryconops vibex Machado-Allison et al, 1996 and Bryconops marabaixo Silva-Oliveira et al, 2019.…”
Section: Introductionmentioning
confidence: 99%
“…(C . ) marabaixo— where the distal point of the maxilla does not reach the articulation with the quadrate), indicating a need for a revision of the genus and reevaluation of those characters in a phylogenetic framework [ 11 , 16 , 18 ].…”
Section: Introductionmentioning
confidence: 99%
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“…Inhabits freshwater habitats with rocky, fast waters. (Guedes et al, 2016;Mol, 2007;Silva-Oliveira et al, 2018, 2019aWingert et al, 2018). The species-group typically lives in either open waters or shore habitats (Mol, 2007).…”
Section: Bryconops (Creatochanes) Melanurus Bloch 1794mentioning
confidence: 99%
“…Introduction Currently, the genus Bryconops (Kner, 1858) has 27 described species (Table 1 and 2), making it the most species-rich genus in the characiform family Iguanodectidae (Chernoff & Machado-Allison, 1999Silva-Oliveira et al, 2020, 2021. It is comprised of small-sized tetras (Guedes et al, 2016;Silva-Oliveira et al, 2018, 2019aWingert et al, 2018) from the cis-Andean freshwater river basins of South America (including Orinoco, Amazon, and Paraguay), as well as small Atlantic coastal drainages ranging from Venezuela to the Parnaíba River in Brazil (Fricke et al, 2022;Silva-Oliveira et al, 2020, 2021van der Sleen & Moreira, 2018). Species of Bryconops are typically found in lotic habitats with acidic water, whether transparent or black water.…”
mentioning
confidence: 99%